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Newsom taps climate ‘architect’ to lead California air board as Trump fights heat up

News Feed
Friday, September 19, 2025

In summary At the state’s top air regulator, Lauren Sanchez will replace Liane Randolph, taking the helm as California battles Trump, rising costs, and the future of its climate agenda. The California Air Resources Board is getting a new leader at a pivotal moment, as it battles the Trump administration in court and contends with growing scrutiny from Democrats and voters questioning the price of the state’s climate principles. Liane Randolph has chaired the board of the state’s top air and climate regulator since 2020. She oversaw a range of policies including landmark clean-car and truck rules, a fuel standard with implications for gas prices and the state’s signature carbon trading program, cap-and-trade. This week, Gov. Gavin Newsom nominated his senior climate advisor, Lauren Sanchez, to replace her. Randolph, in an interview, told CalMatters her departure was part of her “personal journey,” something she began considering earlier this year. “I’ve worked really hard over the last almost five years, and I’m ready for a break,” she said. “I am confident that the transition will go incredibly smoothly.” Observers say the handover highlights the air board’s key role at a time of political pushback and consumer resistance. “Pretty much all of the major areas in climate that [the air board] touches are going to be in really significant periods of challenge,” said Danny Cullenward, a climate expert and vice chair of an independent committee that analyzes the cap-and-trade program. “This is not an easy time to take over an agency. It’s a time when sound strategy — and not just autopilot — is going to be required.” California’s climate ambition meets Trump opposition Newsom’s 2020 order to phase out gas-car sales by 2035 was a watershed moment for California climate policy. His executive order was a headline-grabbing strike at the oil industry, meant to accelerate not only the state’s adoption of electric cars, but the nation’s. Newsom said Randolph would be the champion of that effort as his pick to lead the air board just a few months later, calling her “the kind of bold, innovative leader that will lead in our fight against climate change with equity and all California’s communities at heart.” But Randolph faced a larger challenge than her predecessors: a Trump administration bent on thwarting California’s authority. The White House immediately criticized Newsom’s order as an example of how “extreme the left has become,” evidence that liberal policymakers wanted to “dictate every aspect of every American’s life.” While Randolph’s air board made significant policy during the years of the Biden administration, Trump attacked those efforts once he returned to office. “Liane didn’t have the time or the circumstances to pivot toward a new, adjusted strategy,” said Daniel Sperling, a former member of the board, now the director of the Institute for Transportation Studies at UC Davis. “She inherited the trajectory that California was on, and that the governor was articulating, and then she got undermined by the Trump administration.” For the gasoline car ban, the air board held months of marathon hearings filled with car owners, environmentalists and industry lobbyists. In 2022, the board approved the measure that Newsom wanted. More rules soon followed, targeting diesel trucks, locomotives and other major polluters. Ethan Elkind, a climate law expert at UC Berkeley, said Randolph steered the board through a difficult time.  In disputes involving environmental justice groups, he said, “she really listened to people,” building consensus and lowering tensions.  “She’s always very diplomatic,” Elkind said. “She was mild-mannered, she wasn’t polemical, she didn’t use it as a perch to pontificate. She seemed very measured and steady and took her role as the public face, and the need for outreach, very seriously.” Policies moving the state toward zero emissions vehicles have struggled, as federal and state regulators have pulled industry in opposing directions.  The Biden administration signed off on California’s clean-car rules last year. But the state air board withdrew one of its most aggressive measures on diesel trucks, as well as rules on locomotives, harbor craft and other polluters, in anticipation of Trump’s return. “There’s not a full understanding of how aggressive the administration’s attacks on all of California’s efforts to achieve climate action have been,” Randolph said at a CalMatters event in San Francisco. She pointed to the Trump administration’s withdrawl of a rule aimed at cleaning up nitrogen oxide pollution from trucks. “That has nothing to do with electric vehicles,” Randolph said. “It was all about just attacking California’s authority, and letting the big companies who supported the administration continue to pollute communities.” Catherine Reheis-Boyd, a senior advisor to the Western States Petroleum Association, said that under Randolph’s tenure, California’s ambition got ahead of consumers and technology. Her pushback echoed the broader clash with the Trump administration, which has targeted electric cars as costly for consumers and impractical. “We have no problem with electric vehicles,” Reheis-Boyd said, at the San Francisco CalMatters event. But “we think there should be a free market.” Searing climate battles at home Last November, the air board revamped its Low Carbon Fuel Standard, a program that uses financial incentives to encourage cleaner fuels as the state phases out gasoline and diesel.  The fight exposed twin challenges arising from within the state: rising costs and lingering environmental harms not addressed by the climate policy. Consumer advocates raised alarms about gas prices, while environmentalists warned that boosting alternatives like biofuels made from cow manure or soybeans offered limited climate benefits. Phoebe Seaton, co-director of the Leadership Counsel for Justice and Accountability, said her group “strongly disagrees” with the expansion of the fuel standard program but credited Randolph’s leadership for showing up and listening to all parties.  “We are especially grateful for the time Chair Randolph dedicated to meeting in Pixley and Fresno with people impacted by dairies,” Seaton said. Liane Randolph, chair of the California Air Resources Board, speaks during an EVgo fast charging station launch event at El Mercado Plaza Shopping Center in Union City on Sept. 25, 2023. The event highlighted California achieving its goal of installing 10,000 direct current fast chargers for electric vehicles. Photo by Loren Elliott for CalMatters Central valley politicians criticized the program for making fuels less affordable. Assemblymember Jasmeet Bains, a Bakersfield Democrat looking to unseat a moderate Republican in Congress, called for Randolph’s resignation earlier this year. She argued that the air board failed to study the economic impacts of its new standard. Her office did not respond to a request from CalMatters for comment. Cullenward said the air board hasn’t always clearly said what its programs cost consumers. While Newsom and the legislature will extend cap-and-trade, the board still must decide how to reshape the program after pausing work on it during the reauthorization fight. “One of the toughest things about this process is that being really honest about what’s working — and what’s not working — and what the costs of the different options are, is going to be essential,” Cullenward said. “Historically, that’s not something staff have ever embraced.” Newsom praised Randolph for stepping in during a time of uncertainty and leading with “vision and resolve.” She will leave at the end of the month, before the end of her term, which lasts through 2026. Questions about costs, affordability and environmental concerns will continue to hang over the air board as it decides how to steer cap-and-trade and other programs in the years ahead. Randolph, in her remarks Wednesday, said California regulators must get creative in the face of federal attacks, while also addressing public concerns and communicating why the state’s policies matter. “All of the impacts of climate change make things fundamentally unaffordable,” she said. Newsom’s point person steps in Randolph’s replacement, Lauren Sanchez, has been the governor’s point person on climate from within the executive office. Translating Newsom’s vision into state policy at a key turning point while also leading a 16-member board and managing the agency’s vast, highly technical staff will present a new challenge. Sanchez built her climate credentials on the international stage and inside the governor’s office, where she helped steer billions in budget funding for climate programs and advised Newsom on this summer’s high-stakes energy and climate package. Climate advisor Lauren Sanchez, center, attends Gov. Gavin Newsom’s trip to China on Oct. 29, 2023. Photo via Office of the Governor of California “He turned to the aide he trusts most on climate,” said Dean Florez, the state Senate appointee to the air board. “Lauren’s been at his side drafting the playbook and steering the billions. This isn’t a change in course, it’s keeping faith with his own circle.” Before joining Newsom’s office in 2021, Sanchez served as a climate negotiator at the U.S. State Department and later advised John Kerry in the Biden administration. She also held senior roles at the California Environmental Protection Agency and the air board, coordinating climate policy across state agencies and shaping California’s international climate work. “Lauren has been my most trusted climate advisor and the chief architect of California’s bold climate agenda,” Newsom said. “She is a force in her own right: her expertise, tenacity, and vision will serve California well as the Board works to protect our communities and defends our climate progress against relentless attacks from Washington.” Sanchez played a central role in weaving climate priorities into the state budget in recent years, said Jamie Pew, climate policy advisor with NetxGen Policy. Cap-and-trade pays for a climate credit that consumers see on their utility bills; Pew said Sanchez advocated for expanding the credit during the recent legislative negotiations. “Lauren has been a champion for getting cap and invest done this year, which will ensure that funding for critical climate programs will continue to grow at a time when federal rollbacks threaten the transition,” Pew said. Next week, the state’s top air and climate regulators will vote on amendments narrowing a previously rescinded truck rule to public fleets. The board is also advancing an emergency regulation to keep its clean-car and truck standards enforceable as the board battles the federal government in court. Many of the air board’s recent accomplishments have run into roadblocks this year. As expected, Trump quickly moved to block California’s mandates aided by Congress, signing three measures in June against clean cars and two others targeting diesel trucks. Adrian Martinez, a lawyer with Earthjustice, said California’s air board faces “perilous times.” “Everyone breathing in California depends on it,” he said.

At the state’s top air regulator, Lauren Sanchez will replace Liane Randolph, taking the helm as California battles Trump, rising costs, and the future of its climate agenda.

The California Air Resources Board meets at the California Environmental Protection Agency building in Sacramento on June 23, 2022. Photo by Rahul Lal, CalMatters

In summary

At the state’s top air regulator, Lauren Sanchez will replace Liane Randolph, taking the helm as California battles Trump, rising costs, and the future of its climate agenda.

The California Air Resources Board is getting a new leader at a pivotal moment, as it battles the Trump administration in court and contends with growing scrutiny from Democrats and voters questioning the price of the state’s climate principles.

Liane Randolph has chaired the board of the state’s top air and climate regulator since 2020. She oversaw a range of policies including landmark clean-car and truck rules, a fuel standard with implications for gas prices and the state’s signature carbon trading program, cap-and-trade. This week, Gov. Gavin Newsom nominated his senior climate advisor, Lauren Sanchez, to replace her.

Randolph, in an interview, told CalMatters her departure was part of her “personal journey,” something she began considering earlier this year.

“I’ve worked really hard over the last almost five years, and I’m ready for a break,” she said. “I am confident that the transition will go incredibly smoothly.”

Observers say the handover highlights the air board’s key role at a time of political pushback and consumer resistance.

“Pretty much all of the major areas in climate that [the air board] touches are going to be in really significant periods of challenge,” said Danny Cullenward, a climate expert and vice chair of an independent committee that analyzes the cap-and-trade program. “This is not an easy time to take over an agency. It’s a time when sound strategy — and not just autopilot — is going to be required.”

California’s climate ambition meets Trump opposition

Newsom’s 2020 order to phase out gas-car sales by 2035 was a watershed moment for California climate policy. His executive order was a headline-grabbing strike at the oil industry, meant to accelerate not only the state’s adoption of electric cars, but the nation’s.

Newsom said Randolph would be the champion of that effort as his pick to lead the air board just a few months later, calling her “the kind of bold, innovative leader that will lead in our fight against climate change with equity and all California’s communities at heart.”

But Randolph faced a larger challenge than her predecessors: a Trump administration bent on thwarting California’s authority. The White House immediately criticized Newsom’s order as an example of how “extreme the left has become,” evidence that liberal policymakers wanted to “dictate every aspect of every American’s life.”

While Randolph’s air board made significant policy during the years of the Biden administration, Trump attacked those efforts once he returned to office.

“Liane didn’t have the time or the circumstances to pivot toward a new, adjusted strategy,” said Daniel Sperling, a former member of the board, now the director of the Institute for Transportation Studies at UC Davis. “She inherited the trajectory that California was on, and that the governor was articulating, and then she got undermined by the Trump administration.”

For the gasoline car ban, the air board held months of marathon hearings filled with car owners, environmentalists and industry lobbyists. In 2022, the board approved the measure that Newsom wanted. More rules soon followed, targeting diesel trucks, locomotives and other major polluters.

Ethan Elkind, a climate law expert at UC Berkeley, said Randolph steered the board through a difficult time. 

In disputes involving environmental justice groups, he said, “she really listened to people,” building consensus and lowering tensions. 

“She’s always very diplomatic,” Elkind said. “She was mild-mannered, she wasn’t polemical, she didn’t use it as a perch to pontificate. She seemed very measured and steady and took her role as the public face, and the need for outreach, very seriously.”

Policies moving the state toward zero emissions vehicles have struggled, as federal and state regulators have pulled industry in opposing directions. 

The Biden administration signed off on California’s clean-car rules last year. But the state air board withdrew one of its most aggressive measures on diesel trucks, as well as rules on locomotives, harbor craft and other polluters, in anticipation of Trump’s return.

“There’s not a full understanding of how aggressive the administration’s attacks on all of California’s efforts to achieve climate action have been,” Randolph said at a CalMatters event in San Francisco. She pointed to the Trump administration’s withdrawl of a rule aimed at cleaning up nitrogen oxide pollution from trucks.

“That has nothing to do with electric vehicles,” Randolph said. “It was all about just attacking California’s authority, and letting the big companies who supported the administration continue to pollute communities.”

Catherine Reheis-Boyd, a senior advisor to the Western States Petroleum Association, said that under Randolph’s tenure, California’s ambition got ahead of consumers and technology. Her pushback echoed the broader clash with the Trump administration, which has targeted electric cars as costly for consumers and impractical.

“We have no problem with electric vehicles,” Reheis-Boyd said, at the San Francisco CalMatters event. But “we think there should be a free market.”

Searing climate battles at home

Last November, the air board revamped its Low Carbon Fuel Standard, a program that uses financial incentives to encourage cleaner fuels as the state phases out gasoline and diesel. 

The fight exposed twin challenges arising from within the state: rising costs and lingering environmental harms not addressed by the climate policy. Consumer advocates raised alarms about gas prices, while environmentalists warned that boosting alternatives like biofuels made from cow manure or soybeans offered limited climate benefits.

Phoebe Seaton, co-director of the Leadership Counsel for Justice and Accountability, said her group “strongly disagrees” with the expansion of the fuel standard program but credited Randolph’s leadership for showing up and listening to all parties. 

“We are especially grateful for the time Chair Randolph dedicated to meeting in Pixley and Fresno with people impacted by dairies,” Seaton said.

A side-view of a person, with gray curly hair and wearing a black blazer, as they stand in front of a podium next to several electric vehicle chargers during a press conference.
Liane Randolph, chair of the California Air Resources Board, speaks during an EVgo fast charging station launch event at El Mercado Plaza Shopping Center in Union City on Sept. 25, 2023. The event highlighted California achieving its goal of installing 10,000 direct current fast chargers for electric vehicles. Photo by Loren Elliott for CalMatters

Central valley politicians criticized the program for making fuels less affordable. Assemblymember Jasmeet Bains, a Bakersfield Democrat looking to unseat a moderate Republican in Congress, called for Randolph’s resignation earlier this year. She argued that the air board failed to study the economic impacts of its new standard. Her office did not respond to a request from CalMatters for comment.

Cullenward said the air board hasn’t always clearly said what its programs cost consumers. While Newsom and the legislature will extend cap-and-trade, the board still must decide how to reshape the program after pausing work on it during the reauthorization fight.

“One of the toughest things about this process is that being really honest about what’s working — and what’s not working — and what the costs of the different options are, is going to be essential,” Cullenward said. “Historically, that’s not something staff have ever embraced.”

Newsom praised Randolph for stepping in during a time of uncertainty and leading with “vision and resolve.” She will leave at the end of the month, before the end of her term, which lasts through 2026.

Questions about costs, affordability and environmental concerns will continue to hang over the air board as it decides how to steer cap-and-trade and other programs in the years ahead.

Randolph, in her remarks Wednesday, said California regulators must get creative in the face of federal attacks, while also addressing public concerns and communicating why the state’s policies matter.

“All of the impacts of climate change make things fundamentally unaffordable,” she said.

Newsom’s point person steps in

Randolph’s replacement, Lauren Sanchez, has been the governor’s point person on climate from within the executive office. Translating Newsom’s vision into state policy at a key turning point while also leading a 16-member board and managing the agency’s vast, highly technical staff will present a new challenge.

Sanchez built her climate credentials on the international stage and inside the governor’s office, where she helped steer billions in budget funding for climate programs and advised Newsom on this summer’s high-stakes energy and climate package.

A group of people clap while standing in front of a large blue wall with Mandarin and English writing that reads: "Ceremony of Exchanging the Memorandum of Understanding on climate and Enviroment Cooperation between Shanghai and California" Two people, one wearing a red blazer and another wearing a black suit, stand in front of the rest.
Climate advisor Lauren Sanchez, center, attends Gov. Gavin Newsom’s trip to China on Oct. 29, 2023. Photo via Office of the Governor of California

“He turned to the aide he trusts most on climate,” said Dean Florez, the state Senate appointee to the air board. “Lauren’s been at his side drafting the playbook and steering the billions. This isn’t a change in course, it’s keeping faith with his own circle.”

Before joining Newsom’s office in 2021, Sanchez served as a climate negotiator at the U.S. State Department and later advised John Kerry in the Biden administration. She also held senior roles at the California Environmental Protection Agency and the air board, coordinating climate policy across state agencies and shaping California’s international climate work.

“Lauren has been my most trusted climate advisor and the chief architect of California’s bold climate agenda,” Newsom said. “She is a force in her own right: her expertise, tenacity, and vision will serve California well as the Board works to protect our communities and defends our climate progress against relentless attacks from Washington.”

Sanchez played a central role in weaving climate priorities into the state budget in recent years, said Jamie Pew, climate policy advisor with NetxGen Policy. Cap-and-trade pays for a climate credit that consumers see on their utility bills; Pew said Sanchez advocated for expanding the credit during the recent legislative negotiations.

“Lauren has been a champion for getting cap and invest done this year, which will ensure that funding for critical climate programs will continue to grow at a time when federal rollbacks threaten the transition,” Pew said.

Next week, the state’s top air and climate regulators will vote on amendments narrowing a previously rescinded truck rule to public fleets. The board is also advancing an emergency regulation to keep its clean-car and truck standards enforceable as the board battles the federal government in court.

Many of the air board’s recent accomplishments have run into roadblocks this year. As expected, Trump quickly moved to block California’s mandates aided by Congress, signing three measures in June against clean cars and two others targeting diesel trucks.

Adrian Martinez, a lawyer with Earthjustice, said California’s air board faces “perilous times.”

“Everyone breathing in California depends on it,” he said.

Read the full story here.
Photos courtesy of

CalPERS’ $60 billion investment in ‘climate solutions’ lacks environmental standards, transparency

CalPERS won't say what climate companies it invests in. The pension also holds positions in fossil fuel, airlines, plastics manufacturing and technology.

Guest Commentary written by Allie Lindstrom Allie Lindstrom is a senior strategist for the Sierra Club’s sustainable finance campaign Jakob Evans Jakob Evans is a senior policy strategist with Sierra Club California In November the California Public Employees Retirement System announced it invested $60 billion in “climate solutions,” toward a goal of $100 billion by 2030. While the announcement highlighted several deals, the pension’s overall strategy remains shrouded in secrecy. As the largest public pension in the U.S., what CalPERS does has major impact. Yet it does not disclose a complete list of its climate-focused investments, nor the criteria it used to select them.  When asked how CalPERS defines climate investments, its staff points to a “taxonomy of mitigation, transition and adaptation” — meaning investments that reduce carbon emissions, support cleaner technologies for polluting businesses and help communities adapt to climate impacts. This taxonomy captures the right themes but is a woefully sparse definition for a pension that prides itself on climate leadership.  Climate finance around the world faces credibility challenges. Research has found climate dollars going to everything from airports to ice cream shops.  CalPERS can and should do better. The Sierra Club and the California Common Good coalition have asked CalPERS to be more transparent and adopt science-based principles to guide its climate investment strategy.  That became more important after research revealed CalPERS’ climate plan included $3.56 billion invested in fossil fuel companies, as well as in airlines, plastics manufacturers and tech companies. A sign at California Public Employees’ Retirement System (CalPERS) headquarters in Sacramento. Photo by Max Whittaker, REUTERS CalPERS’ climate plan aims to not only reduce carbon emissions through its portfolio, but to reduce the risk that climate change poses to the pension fund.  Risk reduction should be front of mind, as studies show pension funds are particularly vulnerable to the wide-ranging economic impact of climate change and could face declines in investment return of up to 50% by 2040. That would be a massive shock to all pensions working to deliver safe, secure retirements for beneficiaries. What remains unclear is how CalPERS’ investments in polluting companies actually address climate risk.  CalPERS has defended its fossil fuel outlay by emphasizing the investments are “small,” and “a green asset is a green asset.” That doesn’t cut it. The investments lack what is called “additionality” — they’re not new investments, and they don’t unlock resources for decarbonization.  Simply put, holding investments in fossil fuel companies does not protect workers’ savings from the systemic risk of climate change. A climate plan that counts anything with a whiff of “green” as a climate investment does not represent a commitment to allocating capital where it’s needed to scale clean energy solutions and stabilize markets. Every dollar invested in polluting companies — that isn’t being leveraged to drive change — is a dollar that could have been invested in reducing emissions and protecting communities.  Fossil fuel investments do not belong in CalPERS’ climate solutions portfolio.  By keeping its criteria for climate solution investments vague, CalPERS may think it is preserving flexibility to develop a cutting-edge strategy. But it is missing the opportunity to show how public money can be invested to proactively protect workers’ livelihoods, retirement savings and communities.  CalPERS’ climate plan counts progress in billions of dollars, but it doesn’t measure the things that matter most, such as the amount of emissions reduced, communities served and clean energy deployed.  System-level risks require system-level solutions. For a fund of CalPERS’ size and influence, that means using its leverage to mitigate the risks of climate change that threaten the economy and beneficiaries’ pensions.  CalPERS can start by adopting science-based principles that set clear exclusions on what does — and does not — constitute climate investments, and by clearly defining strategies for mitigation, adaptation and transition.  CalPERS should be applauded for identifying that climate change poses a clear risk to its beneficiaries’ savings and the entire economy. Many pensions have yet to follow suit.  But it has yet to articulate a bold enough vision to effectively mitigate those risks. 

How the devil is in the details of greener new jobs

Building a skilled workforce for a sustainable future has been much discussed in climate proposals. Now researchers are figuring out what green jobs actually entail, and how to support them.

What makes a job sustainable — both eco-friendly and liable to stick around? That question is at the center of new research from the Dukakis Center at Northeastern University’s Policy School, commissioned by the City of Boston to help meet its ambitious Climate Action Plan goals.  The plan lays out a road map for transitioning the city off fossil fuels, achieving citywide carbon neutrality by 2050, and making the city resilient to a future changing climate. It aims to decarbonize buildings, electrify the transportation system, upgrade the city’s grid, and build coastal resiliency. But getting there depends on people — who’s going to do the work, and how will they get trained? “Climate plans are like a jigsaw puzzle,” said Joan Fitzgerald, a professor of public policy at Northeastern who led the research. “And the last piece to be put in place often is workforce development.” For Boston, that last puzzle piece comes with the release of the City’s Climate Ready Workforce Action Plan, which marks the culmination of a year-long research project conducted in partnership with the Dukakis Center along with the Burning Glass Institute, TSK Energy Solutions, and Community Labor United. Additionally, the plan incorporates feedback from 51 advisors, including city and state officials, training and education partners, labor partners, employer partners, and community leaders.  One of the biggest challenges researchers encountered was how to define a “green job.” Take car mechanics, for instance. Fixing a gas-guzzling car might not seem like a climate-friendly role. But as electric vehicles become more common, mechanics are more likely to be servicing them. (Still, that doesn’t necessarily mean there will be more mechanic jobs overall, according to Fitzgerald; electric cars have fewer parts and don’t need as much maintenance.) The same is true for an HVAC technician—one day they could be installing a gas furnace, and the next, an energy-efficient electric heat pump. “These examples show some of the murkiness of figuring out what a green job is,” Fitzgerald said. Professor Joan Fitzgerald presents Northeastern’s research on green workforce needs for Boston’s climate goals at a green economy workshop. Northeastern University To tackle this challenge, Northeastern made use of a novel dataset collected by the Burning Glass Institute, a data-driven think tank, to do an inventory of what jobs are needed in the green economy and what skills those occupations need. “Imagine a data set that’s hundreds of millions of individual job ads,” Stuart Andreason, the institute’s executive director, said. “We look at job postings from across the globe, identify the skills in them, and track how those skills are changing.” The researchers found that, while jobs like solar developer are undoubtedly part of the green workforce, many existing jobs could become green jobs with new or evolving skills. Construction workers might need training in energy-efficient building codes; electricians may need to understand how to install EV chargers. As the nation pivots from fossil fuels toward clean energy, green skills are becoming essential for workers across sectors. Drawing on both the Burning Glass data and other publicly available data from the Bureau of Labor Statistics, Dukakis Center Director Alicia Modestino then analyzed two key questions: How many workers are going to be needed for the projects and initiatives laid out in Boston’s Climate Action Plan? And how many of these jobs will be held by new workers entering the labor force or workers who need to be replaced due to projected retirements? Despite some of these uncertainties, it’s clear that cities such as Boston can’t be climate-ready without a climate ready workforce. “And there is a limited number of programs and slots to equip workers with the green skills that are needed,” Modestino said. “The transition from entirely carbon-based jobs to those that require green skills or become entirely ‘greened’ will be rapid … possibly creating a shortage of workers if cities do not get ahead of the curve.”  That kind of analysis helps cities like Boston understand what jobs are growing, what skills those jobs require, and how to shape workforce training accordingly. “The problem is predicting need. Is it both training new people to enter the green workforce and on-the-job training for people who are already in the labor force? That makes it hard to predict,” Fitzgerald said.  In line with the environmental justice goals of Boston’s Green New Deal, researchers looked into what career opportunities exist for the city’s disadvantaged communities. These jobs run the gamut from designing and building climate-friendly infrastructure to community engagement. Beyond identifying what green jobs were out there, Fitzgerald’s team also explored how workers can climb the career ladder and identified where training programs are falling short.  One concern: Many existing green workforce programs do not have enough funding to provide wages and support services to trainees. Once the funding ends, so does the career pipeline. “One of our recommendations is that’s where cities can help,” Fitzgerald said. “If you have an effective training program but it’s relying on funding that doesn’t allow it to pay trainees, then the city can support the wages for participants.” Despite the challenges, Boston’s Climate Ready Workforce Action Plan lays the groundwork for other cities to turn their far-reaching climate goals into real, lasting job opportunities. This report is the first of its kind, connecting Boston’s climate agenda to economic opportunity, said Oliver Sellers-Garcia, Environment Commissioner and Green New Deal Director. “Our work to fight climate change will create good-paying jobs and a more inclusive workforce in Boston,” he said. Northeastern University’s School of Public Policy and Urban Affairs (Policy School) offers master’s degrees that feature innovative, real-world explorations of our world’s most challenging climate, environmental, and sustainability issues. Through a combination of experiential learning, interdisciplinary research, and cutting-edge coursework, these programs prepare you for the next step in your career, using policy to address environmental and social justice in communities around the globe. Learn with us at our campuses in Boston, Arlington (Metro D.C.), and Oakland. LEARN MORE This story was originally published by Grist with the headline How the devil is in the details of greener new jobs on Dec 17, 2025.

Greek tragedy: the rare seals hiding in caves to escape tourists

Greece is hoping that protected areas will help keep daytrippers away and allow vulnerable monk seals to return to their island habitatsDeep in a sea cave in Greece’s northern Sporades, a bulky shape moves in the gloom. Someone on the boat bobbing quietly on the water close by passes round a pair of binoculars and yes! – there it is. It’s a huge Mediterranean monk seal, one of the world’s rarest marine mammals , which at up to 2.8 metres and over 300kg (660lbs), is also one of the world’s largest types of seal.Piperi, where the seal has come ashore, is a strictly guarded island in the National Marine Park of Alonissos and Northern Sporades, Greece’s largest marine protected area (MPA) and a critical breeding habitat for the seals. Only researchers are allowed within three miles of its shores, with permission from the government’s Natural Environment and Climate Change Agency. Continue reading...

Deep in a sea cave in Greece’s northern Sporades, a bulky shape moves in the gloom. Someone on the boat bobbing quietly on the water close by passes round a pair of binoculars and yes! – there it is. It’s a huge Mediterranean monk seal, one of the world’s rarest marine mammals , which at up to 2.8 metres and over 300kg (660lbs), is also one of the world’s largest types of seal.Piperi, where the seal has come ashore, is a strictly guarded island in the National Marine Park of Alonissos and Northern Sporades, Greece’s largest marine protected area (MPA) and a critical breeding habitat for the seals. Only researchers are allowed within three miles of its shores, with permission from the government’s Natural Environment and Climate Change Agency.With a global population of under 1,000 individuals, Monachus monachus is listed as vulnerable on the IUCN Red List, reclassified from endangered in 2023, after decades of conservation efforts helped raise numbers. According to the Hellenic Society for Protection of the Monk Seal (MOm), Greece is home to about 500 monk seals (up from 250 in the 1990s), half of the global population, so has a uniquely important role to play in the future of these rare mammals. This seems fitting given that seals were once thought to have been under the protection of mythical gods Poseidon and Apollo and so have a special place in Greek culture.Monk seals have been hunted in the Mediterranean since prehistoric times for their pelts, meat and blubber. While this threat has receded in Greece, others – entanglement in fishing gear, food depletion, pollution and habitat loss – have not. Now, according to conservationists, a very modern peril is growing exponentially and putting that fragile recovery at risk: Greece’s burgeoning marine leisure industry. Unregulated tourism is having a negative impact on a mammal that is sensitive to human disturbance, say .A monk seal surfaces close to a research boat.This summer several initiatives were launched to turn this around, including Seal Greece, a national education campaign. At about the same time, the islet of Formicula, a key seal habitat in the Ionian Sea, was shielded ahead of the busy summer season by a strict 200-metre no entry zone. In October, Kyriakos Mitsotakis, the Greek prime minister, confirmed two large-scale MPAs are to go ahead. If properly managed (and so far the management structure is unclear), these MPAs could offer a lifeline to the species.Back on the waters around Piperi, Angelos Argiriou, a freelance warden and marine biologist, points as the boat passes a shore monitored by camera. “We often see the seals resting on this beach,” he says. “The fact that they feel safe enough to haul out [rest] here in the open is a really good sign that the protection measures are working.”A pup that was found orphaned is prepared for release at the Hellenic Society for Protection of the Monk Seal. Photograph: P. DendrinosSeals began to be protected in Greece in the late 1980s, with the Hellenic Society for Protection of the Monk Seal , which has rescued more than 40 orphaned or injured seals to date.“Our rehab centre has really helped the recovery of the species,” says Mom’s president, Panos Dendrinos. “Last year, we saw a rehabilitated female with a new pup. If you save one female, she might have 20 pups in her lifetime.”Monk seals once commonly gathered on beaches but many moved into caves relatively recently because of human pressure. Although pupping caves might have provided shelter from people, they have often proved an unsuitable habitat in which to raise young – violent surf can smash them against rocks, drown them or sweep them out to sea. And caves no longer provide reliable hiding places. Once-remote coastlines are now accessible to everyone from day trippers on hired boats to private yachts anchored in the seals’ habitat.“A week after giving birth, monk seal mothers go fishing, leaving their pup alone for hours,” says Dendrinos. “If someone goes inside, the pup is liable to panic and abandon the cave; its mother is unlikely to find it.”An adult female with her pup on Piperi. The island is in a marine park that protects seals so they can start to use beaches again. Photograph: P. DendrinosAfter 40 years of monitoring the Alonissos MPA, Dendrinos says his society “now see seals using open beaches systemically”.As another key habitat for seals, Formicula will be part of the new Ionian MPA. The islet is at the heart of one of the world’s busiest sailing grounds but unlike its better-known neighbours, Meganisi and Cephalonia, it did not appear much on the tourist radar until recently.Marine biologist Joan Gonzalvo from Tethys Research Institute explains how tourism has taken its toll on the area. “Six, seven, eight years ago we had encounters almost every day,” he recalls. “We would see five, six seals in the water at once, socialising, chasing each other.”But with the sightings came the tourists. “What was exciting at first quickly turned into a nightmare,” he says.The hordes came, looking for “seal experiences”, he says. Instead of studying the animals, Gonzalvo found himself recording humans chasing seals. On two occasions, people entered breeding caves, causing the separation of mothers from pups. In both cases, the pups disappeared. One day in August 2024, he says he recorded more than 50 boats around the islet’s tiny shoreline. “Nowadays,” he says, “we are lucky if we see only one or two individual seals.”Seals were once thought to have been under the protection of mythical gods Poseidon and Apollo and so have a special place in Greek culture. Photograph: Ugo Mellone/The Wild LineAs we are talking Gonzalvo spots a seal and takes out his camera. He recognises her immediately. “Mm17003,” he says, citing the number of one of more than 40 seals he has catalogued online. As the seal rolls through the water, boats pull up and anchor in the new no-entry zones while tourists swim near the protected caves.Unlike the Alonissos MPA, there are no wardens patrolling Formicula and it is down to Gonzalvo to politely point out to the boat’s skippers that they are in a forbidden area.“It’s early days,” he says. “But the inactivity [of the seals] worries me. We need serious investment on law enforcement.”In Greece, NGOs have repeatedly raised the issue of “paper parks”, with inadequate implementation. A study published last year by nine environmental organisations highlighted “only 12 (out of 174) marine Natura 2000 sites [EU protected areas] have a protective regime”, but even those were fragmented or temporary.The hope is that the new MPAs bring patrols. “The Natural Environment and Climate Change Agency needs more boats, more people,” Dendrinos says, adding that the wardens currently report to port police, “a process that is time consuming and ineffective”.At Formicula, Gonzalvo worries that time is running out. “If we are not capable of protecting this important habitat, a tiny drop in the middle of the Ionian Sea, for one of the most charismatic and endangered marine mammals on the planet, there is very little hope for anything else we want to protect in our oceans.”The sight of the animals playing in the water drew crowds of tourists looking for ‘seal experiences’. Photograph: Marco-Colombo/The Wild Line

Climate change is rewriting polar bear DNA

This story was originally published by the Guardian and is reproduced here as part of the Climate Desk collaboration. Changes in polar bear DNA that could help the animals adapt to warmer climates have been detected by researchers in a study thought to be the first time a statistically significant link has been found between […]

This story was originally published by the Guardian and is reproduced here as part of the Climate Desk collaboration. Changes in polar bear DNA that could help the animals adapt to warmer climates have been detected by researchers in a study thought to be the first time a statistically significant link has been found between rising temperatures and changing DNA in a wild mammal species. Climate breakdown is threatening the survival of polar bears. Two-thirds of them are expected to disappear by 2050 as their icy habitat melts and the weather becomes hotter. Now, scientists at the University of East Anglia have found that some genes related to heat stress, aging, and metabolism are behaving differently in polar bears living in southeast Greenland, suggesting they may be adjusting to warmer conditions. The researchers analysed blood samples taken from polar bears in two regions of Greenland and compared “jumping genes” — small, mobile pieces of the genome that can influence how other genes work. Scientists looked at the genes in relation to temperatures in the two regions and at the associated changes in gene expression. “DNA is the instruction book inside every cell, guiding how an organism grows and develops,” said lead researcher Alice Godden. “By comparing these bears’ active genes to local climate data, we found that rising temperatures appear to be driving a dramatic increase in the activity of jumping genes within the southeast Greenland bears’ DNA.” As local climates and diets evolve as a result of changes in habitat and prey forced by global heating, the genetics of the bears appear to be adapting, with the group of bears in the warmest part of the country showing more changes than the communities farther north. The authors of the study have said these changes could help us understand how polar bears might survive in a warming world, inform understanding of which populations are most at risk, and guide future conservation efforts. This is because the findings, published on Friday in the journal Mobile DNA, suggest the genes that are changing play a crucial role in how different polar bear populations are evolving. “This finding is important because it shows, for the first time, that a unique group of polar bears in the warmest part of Greenland are using ‘jumping genes’ to rapidly rewrite their own DNA, which might be a desperate survival mechanism against melting sea ice,” Godden said. Temperatures in northeast Greenland are colder and less variable, while in the southeast, there is a much warmer and less icy environment, with steep temperature fluctuations. DNA sequences in animals change over time, but this process can be accelerated by environmental stress such as a rapidly heating climate. There were some interesting DNA changes, such as in areas linked to fat processing, that could help polar bears survive when food is scarce. Bears in warmer regions had more rough, plant-based diets compared with the fatty, seal-based diets of northern bears, and the DNA of south-eastern bears seemed to be adapting to this. Godden said, “We identified several genetic hotspots where these jumping genes were highly active, with some located in the protein-coding regions of the genome, suggesting that the bears are undergoing rapid, fundamental genetic changes as they adapt to their disappearing sea ice habitat.” The next step will be to look at other polar bear populations, of which there are 20 around the world, to see if similar changes are happening to their DNA. This research could help protect the bears from extinction. But the scientists said it was crucial to stop temperature rises accelerating by reducing the burning of fossil fuels. “We cannot be complacent; this offers some hope but does not mean that polar bears are at any less risk of extinction,” Godden said. “We still need to be doing everything we can to reduce global carbon emissions and slow temperature increases.”

Supersized data centers are coming. See how they will transform America.

These AI campuses consume more power than major U.S. cities. Their footprints are measured in miles, not feet.

Supersized data centers are coming. See how they will transform America.This coal plant in central Pennsylvania, once the largest in the state, was shuttered in 2023 after powering the region for over 50 years.Earlier this year, wrecking crews blasted the plant’s cooling towers and soaring chimneys.Rising from the dust in Homer City will be a colossal artificial intelligence data center campus that will include seven 30-acre gas generating stations on-site, fueled by Pennsylvania’s natural gas boom.December 15, 2025 at 6:00 a.m. EST6 minutes agoShawn Steffee of the International Brotherhood of Boilermakers is hopeful.“The closing of the coal plant had been really brutal,” he said. “But this project just took the entire chess board and flipped it.”The Homer City facility will generate and consume as much power as all the homes in the Philadelphia urban area. It is among a generation of new supersized data centers sprouting across the country, the footprints of which are measured in miles, not feet.They are part of an AI moon shot, driven by an escalating U.S.-China war over dominance in the field. The projects are starting to transform landscapes and communities, sparking debates about what our energy systems and environment can sustain. The price includes increasing power costs for everyone and worrying surges in emissions and pollutants, according to government, industry and academic analyses.By 2030, industry and government projections show data centers could gobble up more than 10 percent of the nation’s power usage.Estimates vary, but all show a dizzying rise of between 60 and 150 percent in energy consumption by 2030. On average, they project U.S. data centers will use about 430 trillion watt-hours by 2030. That is enough electricity to power nearly 16 Chicagos.Some forecasts project it will keep growing from there.“These things are industrial on a scale I have never seen in my life,” former Google CEO Eric Schmidt told a House committee earlier this year.Power use by U.S. data centers is growing exponentially, with large forecast uncertaintySource: Washington Post analysis of IEA, BNEF, LBNL and EPRI estimates. Past uncertainty stems from varying inventories of data centers and assumptions about their utilization.Tech companies that once pledged to use clean energy alone are fast reconsidering. They now need too much uninterrupted power, too fast. According to the International Energy Agency, the No. 1 power source to meet this need will be natural gas.“While we remain committed to our climate moonshots, it’s become clear that achieving them is now more complex and challenging across every level,” Google states in its 2025 environmental impact report. The company says meeting its goal of eliminating all emissions by 2030 has become “very difficult.”Data center firms have already approached the Homer City project’s natural gas provider, EQT, seeking enough fuel to power the equivalent of eight more Homer City projects around the country, EQT CEO Toby Rice said in an interview. And EQT is just one of dozens of U.S. natural gas suppliers.What’s at stakeData centers’ surging electricity needs are straining America’s aging power grid and undercutting tech companies’ climate goals.A single supersized “data campus” would draw as much power as millions of homes.The boom is riding on burning huge amounts of planet-warming natural gas, once cast as a transition fuel on the way to a cleaner grid.Not building the projects, however, risks ceding AI dominance to China.Some question if all these gas power plants will be necessary as AI technology rapidly becomes more efficient.“We’ll be shipping more gas than we ever thought,” said Arshad Mansoor, president and CEO of the nonprofit Electric Power Research Institute. “We are even unretiring coal.”Mansoor predicts it will all work out: He and others in the industry foresee the crushing demand leading to swift breakthroughs in clean energy innovation and deployment. That could include futuristic fusion power, they said, or more conventional technologies that capture natural gas emissions.But some are more skeptical. The independent monitor charged with keeping tabs on the PJM power grid — which serves 65 million customers in the eastern U.S. — is warning that it can’t handle more data centers. It urged federal regulators to indefinitely block more data centers on its grid to protect existing customers.Even in cities yearning to become the next data center hub — with unions welcoming the burst of construction jobs and elected officials offering lucrative tax packages — some apprehension remains.“It’s going to be new to everybody,” said Steffee, of the International Brotherhood of Boilermakers. “We all have to figure out how to start transitioning into this and what the ripple effects will be.”Homer City offers a glimpse of what is coming nationwide.In the Texas Panhandle, the company Fermi America broke ground this year on what it says will be a 5,800-acre complex of gas plants and giant nuclear reactors that would ultimately feed up to 18 million square feet of on-site data centers. It would dwarf Homer City in energy use.Tech companies are planning data ‘campuses’ that would dwarf existing centersIn Cheyenne, Wyoming, developers are aiming to generate 10 gigawatts of electricity for on-site data centers. That’s enough energy to power every house in Wyoming 20 times over. In rural Louisiana, Meta is building a $30 billion cluster of data center buildings that will stretch nearly the length and width of Manhattan.Such facilities will create a major climate challenge. By the mid 2030s, forecasts show the world’s data centers could drive as much carbon pollution as the New York, Chicago and Houston metro areas combined.Check our workDrone video of the Homer City power plant post-demolition courtesy of Homer City Redevelopment LLC. Photo of the power plant before demolition by Keith Srakocic/AP.The data centers map is based on extracts from datacentermap.com and CleanView. The map showing planned projects includes sites already under construction.The chart showing the aggregate power demand from U.S. data centers averages historical estimates and future projections from the Lawrence Berkeley National Laboratory, IEA, BloombergNEF and EPRI.To estimate the power consumption of a data center, The Post assumed a 67 percent utilization rate. For comparison, residential electricity use in various cities was estimated from household counts and state-level per-household averages from the EIA.

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