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Tamar Adler Teaches Home Cooks to Turn Food Waste Into Dinner

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Tuesday, June 6, 2023

Tamar Adler’s 2012 book An Everlasting Meal: Cooking with Economy and Grace was a lyrical ode to frugality in the kitchen that made a mark at a time when the national conversation about food waste—and the need to reduce it—was just picking up speed. Over a decade later, Adler is back with the Everlasting Meal Cookbook: Leftovers A-Z—a guide on how to turn meager leftovers into new and tastier dishes that will appeal to everyone who prides themselves on making use of all the food they buy. Adler’s creative salvaging knows no bounds. In her entry for almond butter is a recipe for “Empty Jar Nut Butter Noodles,” which you make by swishing hot water, fish sauce, lime juice, and some added ingredients around in a nearly empty jar of nut butter. Then, viola: You have a sauce for noodles! In fact, Adler’s section on ”empty containers” might just revolutionize how you use up the very last bits of everything from mustard to maple syrup. Each chapter is devoted to a different food group or type of dish: vegetables come first, then fruits and nuts, then dairy and eggs, soup, salads, drinks, and so on. But within each chapter, Adler organizes each entry rather unconventionally by leftover ingredient. Under “Apples, old” she has recipes for apple cider vinegar, applesauce, apple scrap vinegar, and apple twigs (dehydrated apple peels, which makes a good children’s snack). Under “mushroom soup,” she has a recipe for mushroom pasta sauce. Under “brine, mozzarella, or feta,” she counsels her readers in how to use the brine (with a little water and sugar) to marinade chicken thighs or pork chops in. Under “broccoli stems and leaves” she shares a recipe for garlicky stem and core pesto. And on and on. A lot of the ideas in here are things our grandparents might have done without thinking—like baking fruit crisps with overripe or bruised berries, making croutons from stale bread, and rice pudding from day-old rice. But Adler, who is a contributing editor at Vogue, has done her readers an enormous service by recording these wise, frugal recipes in one place. Nearly 40 percent of the food we buy gets tossed out, and that waste is responsible for a full 8 percent of all human-caused greenhouse gases. With that tragic reality in mind—and with food prices higher than ever—we spoke with Adler about her book, her philosophy, and some of her best tips for treating old and leftover food with the respect it deserves. How did you get interested in salvaging older food? Not everyone is brought up that way. It was a combination of influences. My mom was definitely a big saver and storer of things. We always had beans and rice cooked ahead in the fridge. She made croutons out of stale bread. So there was some osmosis, certainly. And the restaurants that I worked in were all really diligent about saving things. I think it is largely a misconception that restaurants are wasteful. It is true that when a diner doesn’t finish what they eat, it has to get thrown away. But cooks—if not restaurants—know what to do with everything [else]. A lot of the circular, ongoing, everlasting cooking is what feeds most restaurant staffs. So, I was exposed to it at Prune and at Chez Panisse. We kept things, re-used and repurposed—as much out of culinary motivation as environmental motivation. Most cuisines in the world do a good deal of saving, revisioning, and repurposing. I learned to look at food at various stages along its arc, because that is how you learn to cook Italian, French, and Middle Eastern food. I think when people don’t know [how to repurpose ingredients], it’s a gap in their education. I never thought of myself as a super scrappy saver person. It was just cooking. You counsel readers to trust their senses. In the entry on moldy cheese you write, “I cut the moldy bits off cheese and taste what remains. If my visceral self revolts at what I’ve tasted, I sigh and discard. If it calmly bears up, I use what’s left as planned.” You also write about using spoiled buttermilk “unless it’s growing vicious green or blue mold.” Why do you think Americans are so quick to toss “expired” food out? I think people do it because they are trying to protect themselves and their families. It hasn’t been made very clear that expiration dates don’t [typically] refer to the safety of food. [And “Best by” dates never do.] People are relying on something that is explicitly not designed to inform them about safety. That’s a problem with messaging. And it ends up working to the advantage of businesses that are selling food. People are forever throwing out things without actually contemplating what’s inside the containers. What if instead of saying “May 14, 2023,” there were three recipes for what to do with your milk on your milk container? “If your milk starts to smell sour, here’s a biscuit recipe.” I appreciate that you remind people to trust their palate throughout the book. We don’t have home economics classes in schools anymore, so we’re really just relying on knowledge passed on from family members or friends.  I would like to have a help line! I would need a liability waiver—but I would be totally happy to get texts asking, “Is this okay?” at all hours. But I also think the visible food mold tends not to be the stuff that causes the really bad food-borne illness anymore. There have been huge recalls of ground beef, spinach, and romaine—and that’s not mold. Those are things that come through complicated supply chains—where there are lot of opportunities for contamination. So, we should be more scared of complicated and untraceable supply chains and less scared of things sitting out overnight. There are orders of magnitude of difference in risk. It’s totally understandable to not want to get sick, to not want your family to get sick. But it’s misdirected. We should be much more scared of these highly complex industrial supply chains and much less scared of aging food. I know I should trust my visceral self, but now I’m going to pretend I’m calling your hotline. One thing I’m always wary about is already-opened canned tuna fish.  If it’s not moldy but it’s been in the fridge a week, is it still safe to eat? Taste it! I don’t know when we started imagining that our taste buds were these precious temples that must never be transgressed. If I’m putting away canned tuna—I buy it packed in olive oil and make sure that it’s coated in olive oil, as that will help preserve it—I taste a little bit. If it tastes fizzy, compost it! If it doesn’t, eat it. Your mouth cannot be like this inviolable shrine! What’s the worst thing that could happen? You’ll spit it out! You’ll just spit it out. We can do that, you know? Some of your recipes didn’t surprise me, but others, like leftover scrambled eggs for fried rice, broccoli stem pesto, and hummus soup, did. How did you come up with most of these recipes? A lot of times I just adapted something that I’d eaten or tasted in some other environment or culture to whatever I had in front of me. A lot of it was seeing what is there as opposed to what is not there. Which sounds like a Zen koan, but it’s actually true. Maybe this is a particular form of optimism that is mine alone—but I’m conscious of the fact that there are so many ways to cook an egg and then combine it with other things. So if you just take the mental leap of, “I have already cooked the egg,” then you are halfway to whatever the next thing is. I’m not sentimental—I just don’t like disposing of things. I imagine that everything has some kind of spirit or purpose. I’m looking for ways to use things, because they’re there and I care about them for being there. And I’m lucky enough to have a lot of culinary knowledge, which means I can make something good. Another thing I love is that your re-use ideas extend to non-culinary purposes. Pistachio shells make good mulch, you suggest, or filler for the bottom of a potted plant. Peanut shells make good kitty litter. Pomegranate piths and skins can be dried and ground into a powder and made into a facial with yogurt. What other non-food uses might we have missed? I have avocado pit and peel dye. Onion peel can also be used for dye. Obviously beet peels can be used as dye for cloth and Easter eggs. At one point I made lip gloss out of leftover Kool-Aid! But I cut it from the book, because I didn’t think leftover Kool-Aid was that much of a problem. In the acknowledgements you thank a colleague for tasting all your creations and allow that bacon shortbread was perhaps a bad use of leftover bacon. Were there any other leftover-reuse fails?   There were a lot of failures that didn’t make it into the book. I made something really bad out of melon rinds. I made a really gross kasha cake. I sent it to the recipe tester with a note saying, “This is mediocre.” And they wrote back, “I thought I was prepared for the mediocrity of this cake, but in fact, nothing could’ve prepared me for how mediocre this cake was.” So that went out. There was a donut bread—poached bread dumplings made out of cider donuts—that somebody wrote a scathing review of. I’m glad I tried them so you didn’t have to. Throughout the book you talk about how much better things taste at room temperature and tell your readers not be afraid to leave things out. Why don’t we do this more in the U.S.? It feels like the absence of a culinary culture, right? We’re following recipes to make everything as opposed to following traditions. My father was Israeli. We always had hummus, tahina, olives, pickles, and stuffed grape leaves sitting at room temperature for a long time. Lots of families that have emigrated from other cultures and have brought their traditions with them have at least one thing in their house that is like that. But that’s not necessarily true if you’re from an equatorial cultures, where food actually spoils at room temperature in a dangerous way. If you’re from a Caribbean country, that culinary culture is not going to involve leaving food sitting at room temperature, unless it’s heavily bathed in vinegar and that’s where escabeche (marinated fish) comes from. Culinary traditions are about how to make things taste good and how to make gathering enjoyable for everybody; in the absence of that, there are rules. There are all kinds of rules that restaurants follow, for how cold things have to be and how hot they need to be. In the absence of culinary tradition, one turns again to what there is. But if you do have other input, because your family has a different tradition, you follow that. I’ve never had cold hummus in my house. The post Tamar Adler Teaches Home Cooks to Turn Food Waste Into Dinner appeared first on Civil Eats.

Over a decade later, Adler is back with the Everlasting Meal Cookbook: Leftovers A-Z—a guide on how to turn meager leftovers into new and tastier dishes that will appeal to everyone who prides themselves on making use of all the food they buy. Adler’s creative salvaging knows no bounds. In her entry for almond butter is […] The post Tamar Adler Teaches Home Cooks to Turn Food Waste Into Dinner appeared first on Civil Eats.

Tamar Adler’s 2012 book An Everlasting Meal: Cooking with Economy and Grace was a lyrical ode to frugality in the kitchen that made a mark at a time when the national conversation about food waste—and the need to reduce it—was just picking up speed.

Over a decade later, Adler is back with the Everlasting Meal Cookbook: Leftovers A-Z—a guide on how to turn meager leftovers into new and tastier dishes that will appeal to everyone who prides themselves on making use of all the food they buy.

Adler’s creative salvaging knows no bounds. In her entry for almond butter is a recipe for “Empty Jar Nut Butter Noodles,” which you make by swishing hot water, fish sauce, lime juice, and some added ingredients around in a nearly empty jar of nut butter. Then, viola: You have a sauce for noodles! In fact, Adler’s section on ”empty containers” might just revolutionize how you use up the very last bits of everything from mustard to maple syrup.

Each chapter is devoted to a different food group or type of dish: vegetables come first, then fruits and nuts, then dairy and eggs, soup, salads, drinks, and so on. But within each chapter, Adler organizes each entry rather unconventionally by leftover ingredient. Under “Apples, old” she has recipes for apple cider vinegar, applesauce, apple scrap vinegar, and apple twigs (dehydrated apple peels, which makes a good children’s snack).

Under “mushroom soup,” she has a recipe for mushroom pasta sauce. Under “brine, mozzarella, or feta,” she counsels her readers in how to use the brine (with a little water and sugar) to marinade chicken thighs or pork chops in. Under “broccoli stems and leaves” she shares a recipe for garlicky stem and core pesto. And on and on.

A lot of the ideas in here are things our grandparents might have done without thinking—like baking fruit crisps with overripe or bruised berries, making croutons from stale bread, and rice pudding from day-old rice. But Adler, who is a contributing editor at Vogue, has done her readers an enormous service by recording these wise, frugal recipes in one place.

Nearly 40 percent of the food we buy gets tossed out, and that waste is responsible for a full 8 percent of all human-caused greenhouse gases. With that tragic reality in mind—and with food prices higher than ever—we spoke with Adler about her book, her philosophy, and some of her best tips for treating old and leftover food with the respect it deserves.

How did you get interested in salvaging older food? Not everyone is brought up that way.

It was a combination of influences. My mom was definitely a big saver and storer of things. We always had beans and rice cooked ahead in the fridge. She made croutons out of stale bread. So there was some osmosis, certainly. And the restaurants that I worked in were all really diligent about saving things. I think it is largely a misconception that restaurants are wasteful. It is true that when a diner doesn’t finish what they eat, it has to get thrown away. But cooks—if not restaurants—know what to do with everything [else].

A lot of the circular, ongoing, everlasting cooking is what feeds most restaurant staffs. So, I was exposed to it at Prune and at Chez Panisse. We kept things, re-used and repurposed—as much out of culinary motivation as environmental motivation. Most cuisines in the world do a good deal of saving, revisioning, and repurposing. I learned to look at food at various stages along its arc, because that is how you learn to cook Italian, French, and Middle Eastern food. I think when people don’t know [how to repurpose ingredients], it’s a gap in their education. I never thought of myself as a super scrappy saver person. It was just cooking.

You counsel readers to trust their senses. In the entry on moldy cheese you write, “I cut the moldy bits off cheese and taste what remains. If my visceral self revolts at what I’ve tasted, I sigh and discard. If it calmly bears up, I use what’s left as planned.” You also write about using spoiled buttermilk “unless it’s growing vicious green or blue mold.” Why do you think Americans are so quick to toss “expired” food out?

I think people do it because they are trying to protect themselves and their families. It hasn’t been made very clear that expiration dates don’t [typically] refer to the safety of food. [And “Best by” dates never do.] People are relying on something that is explicitly not designed to inform them about safety. That’s a problem with messaging. And it ends up working to the advantage of businesses that are selling food. People are forever throwing out things without actually contemplating what’s inside the containers.

What if instead of saying “May 14, 2023,” there were three recipes for what to do with your milk on your milk container? “If your milk starts to smell sour, here’s a biscuit recipe.”

I appreciate that you remind people to trust their palate throughout the book. We don’t have home economics classes in schools anymore, so we’re really just relying on knowledge passed on from family members or friends. 

I would like to have a help line! I would need a liability waiver—but I would be totally happy to get texts asking, “Is this okay?” at all hours. But I also think the visible food mold tends not to be the stuff that causes the really bad food-borne illness anymore. There have been huge recalls of ground beef, spinach, and romaine—and that’s not mold. Those are things that come through complicated supply chains—where there are lot of opportunities for contamination. So, we should be more scared of complicated and untraceable supply chains and less scared of things sitting out overnight. There are orders of magnitude of difference in risk. It’s totally understandable to not want to get sick, to not want your family to get sick. But it’s misdirected. We should be much more scared of these highly complex industrial supply chains and much less scared of aging food.

I know I should trust my visceral self, but now I’m going to pretend I’m calling your hotline. One thing I’m always wary about is already-opened canned tuna fish.  If it’s not moldy but it’s been in the fridge a week, is it still safe to eat?

Taste it! I don’t know when we started imagining that our taste buds were these precious temples that must never be transgressed. If I’m putting away canned tuna—I buy it packed in olive oil and make sure that it’s coated in olive oil, as that will help preserve it—I taste a little bit. If it tastes fizzy, compost it! If it doesn’t, eat it. Your mouth cannot be like this inviolable shrine!

What’s the worst thing that could happen?

You’ll spit it out! You’ll just spit it out. We can do that, you know?

Some of your recipes didn’t surprise me, but others, like leftover scrambled eggs for fried rice, broccoli stem pesto, and hummus soup, did. How did you come up with most of these recipes?

A lot of times I just adapted something that I’d eaten or tasted in some other environment or culture to whatever I had in front of me. A lot of it was seeing what is there as opposed to what is not there. Which sounds like a Zen koan, but it’s actually true. Maybe this is a particular form of optimism that is mine alone—but I’m conscious of the fact that there are so many ways to cook an egg and then combine it with other things. So if you just take the mental leap of, “I have already cooked the egg,” then you are halfway to whatever the next thing is.

I’m not sentimental—I just don’t like disposing of things. I imagine that everything has some kind of spirit or purpose. I’m looking for ways to use things, because they’re there and I care about them for being there. And I’m lucky enough to have a lot of culinary knowledge, which means I can make something good.

Another thing I love is that your re-use ideas extend to non-culinary purposes. Pistachio shells make good mulch, you suggest, or filler for the bottom of a potted plant. Peanut shells make good kitty litter. Pomegranate piths and skins can be dried and ground into a powder and made into a facial with yogurt. What other non-food uses might we have missed?

I have avocado pit and peel dye. Onion peel can also be used for dye. Obviously beet peels can be used as dye for cloth and Easter eggs. At one point I made lip gloss out of leftover Kool-Aid! But I cut it from the book, because I didn’t think leftover Kool-Aid was that much of a problem.

In the acknowledgements you thank a colleague for tasting all your creations and allow that bacon shortbread was perhaps a bad use of leftover bacon. Were there any other leftover-reuse fails?  

There were a lot of failures that didn’t make it into the book. I made something really bad out of melon rinds. I made a really gross kasha cake. I sent it to the recipe tester with a note saying, “This is mediocre.” And they wrote back, “I thought I was prepared for the mediocrity of this cake, but in fact, nothing could’ve prepared me for how mediocre this cake was.” So that went out. There was a donut bread—poached bread dumplings made out of cider donuts—that somebody wrote a scathing review of. I’m glad I tried them so you didn’t have to.

Throughout the book you talk about how much better things taste at room temperature and tell your readers not be afraid to leave things out. Why don’t we do this more in the U.S.?

It feels like the absence of a culinary culture, right? We’re following recipes to make everything as opposed to following traditions. My father was Israeli. We always had hummus, tahina, olives, pickles, and stuffed grape leaves sitting at room temperature for a long time. Lots of families that have emigrated from other cultures and have brought their traditions with them have at least one thing in their house that is like that. But that’s not necessarily true if you’re from an equatorial cultures, where food actually spoils at room temperature in a dangerous way. If you’re from a Caribbean country, that culinary culture is not going to involve leaving food sitting at room temperature, unless it’s heavily bathed in vinegar and that’s where escabeche (marinated fish) comes from.

Culinary traditions are about how to make things taste good and how to make gathering enjoyable for everybody; in the absence of that, there are rules. There are all kinds of rules that restaurants follow, for how cold things have to be and how hot they need to be. In the absence of culinary tradition, one turns again to what there is. But if you do have other input, because your family has a different tradition, you follow that. I’ve never had cold hummus in my house.

The post Tamar Adler Teaches Home Cooks to Turn Food Waste Into Dinner appeared first on Civil Eats.

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People who grow their own fruit and veg waste less food and eat more healthily, says research

Those who grow their own food in gardens and allotments waste less and eat more healthily – but not everyone has the chance to do so.The post People who grow their own fruit and veg waste less food and eat more healthily, says research appeared first on SAPeople - Worldwide South African News.

The rising cost of living is making it harder for people, especially those on lower incomes (who often have poorer diets), to afford to eat healthily. Despite this, households in the UK continue to waste a shocking amount of food – including around 68kg of fruit and vegetables each year.Food waste is not only damaging to your pocket, it’s also bad for the environment too. Globally, 1.3 billion tonnes of food are wasted every year, generating about 8% of the world’s greenhouse gas emissions. These emissions arise from unused food at all stages of the food supply chain, from production to decomposition.However, our recent study revealed that those who grow their own food in gardens and allotments waste an average of just 3.4kg of fruits and vegetables – 95% less than the UK average. These households adopted various practices to minimise food waste, including preserving or giving away their excess produce.There has been renewed interest in growing fresh produce in gardens, community gardens and allotments in the UK and elsewhere in recent years. But the available supply of allotments is not enough to meet increasing demand.Allocating more land for household fruit and vegetable production could make a significant contribution to the availability of fresh produce for urban residents.Research has shown that using a mere 10% of the available space in the English city of Sheffield for food cultivation could supply enough fruit and vegetables to meet the needs of 15% of the city’s population. And more people growing their own food could also reduce waste.Food waste generates about 8% of the world’s greenhouse gas emissions. Joaquin Corbalan P/ShutterstockFood diariesOur study involved 197 households in the UK that grow their own food. We asked them to maintain a food diary, where they recorded the amounts of fruits and vegetables they acquired each week. We received complete records from 85 separate households.They specified whether each item was cultivated in their garden or allotment, bought from shops or markets, sourced from other growers, or foraged in the wild. The households also recorded the quantity of the produce they gave away to family and friends and the amounts they had to throw out.Our findings suggest that individuals who grow their own food may be more inclined to avoid food wastage than the average person in the UK. This is possibly because they place a higher value on the produce they had grown themselves.The results align with earlier research that was conducted in Germany and Italy. This study found that the amount of discarded food was greatest among people who shopped exclusively in large supermarkets. People who purchased items from various small stores tended to waste less food, while those who grew their own food wasted the least.Our findings also suggest that the households we studied can produce roughly half of all the vegetables, and 20% of the fruit, they consume annually. These households consumed 70% more fruits and vegetables (slightly more than six portions per day) than the national average.Eating plenty of fruits and vegetables as part of a balanced and nutritious diet is key to maintaining good health. This kind of diet can help prevent diseases such as type 2 diabetes, certain cancers and heart disease.Yet, in the UK, less than one-third of adults and only about 8% of teenagers eat their “five-a-day”. This target, which is based on advice from the World Health Organization, recommends eating at least five 80g portions of fruit and veg every day.Grow-your-own households adopted various practices to minimise food waste. Alan Goodwin Photo/ShutterstockGrow your own food securityGrowing your own food can improve access to fresh fruits and vegetables, promote good health and reduce food waste. However, several obstacles hinder involvement in household food production. These obstacles include limited access to the land, skills and time needed to grow your own fruit and veg.Approximately one in eight UK households lack access to a garden. And, since the 1950s, the availability of allotments throughout the UK has declined by 60%. This decline has been particularly evident in more deprived areas of the country, where people could benefit most from better availability of nutritious foods.We also found that those who grew their own food dedicated approximately four hours each week to working on their allotment or garden. Unfortunately, not everyone has the luxury of having the time to do so.Nonetheless, raising awareness about the benefits of home food production, beyond just food security and reducing waste, to include its positive impacts on social cohesion, overall well-being and biodiversity could encourage more people to participate. Increasing demand for growing space may also encourage local authorities to allocate more land for this purpose.Whether you grow your own food or not, everyone can adopt mindful practices when purchasing or growing food. Planning ahead and freezing or sharing excess food with others to prevent it from going to waste are good options.ALSO READ: Five healthy foods that will save you money at the tillBut some food waste is inevitable. Composting it instead of sending it to a landfill will substantially lower its impact on the planet.Boglarka Zilla Gulyas, Postdoctoral Research Associate in SCHARR, University of Sheffield and Jill Edmondson, Research Fellow in Environmental Change, University of SheffieldThis article is republished from The Conversation under a Creative Commons license. Read the original article.The post People who grow their own fruit and veg waste less food and eat more healthily, says research appeared first on SAPeople - Worldwide South African News.

Lead poisoning could be killing more people than HIV, malaria, and car accidents combined

A mother and child at a Médecins Sans Frontières clinic in Anka, Nigeria, the site of a major lead poisoning outbreak in 2019. | Kola Sulaimon/AFP via Getty Images However bad you think lead poisoning is for the world, it’s worse. Everyone knows lead is bad for you. We’ve known this for a very long time: in the first century BCE, the Roman architect Vitruvius warned against using lead in pipes, observing the “pallid color” of plumbers forced to work with it. We know leaded gasoline leads to premature death in the elderly, that high lead exposure can substantially reduce IQ, and that there is likely a relationship between lead exposure in children and high rates of crime later on.Yet lead is still everywhere — especially in poorer countries. Pure Earth, the largest nonprofit working on lead contamination internationally, recently conducted a massive survey of products in 25 low and middle-income countries, from Peru to Nigeria to India to the Philippines, to test for lead levels in household goods. In their sample they found high levels of lead in 52 percent of metal and 45 percent of ceramic foodware (a category including dishes, utensils, pots and pans), as well as 41 percent of house paints and 13 percent of toys.This has major consequences. A new paper in Lancet Planetary Health, authored by economist Bjorn Larsen and Ernesto Sánchez-Triana, World Bank’s global lead for pollution management, tries to quantify the scale of the lead problem globally. The authors estimate that some 5.5 million people die prematurely due to lead exposure every year, and that the problem as a whole imposes a social cost of $6 trillion a year. That equals 6.9 percent of total world GDP.These are massive numbers, and it’s worth putting them into context: 5.5 million deaths from lead in 2019 exceeds the number of people who died that year from car accidents (1.2 million), tuberculosis (1.18 million), HIV/AIDS (863,837), suicide (759,028), and malaria (643,381) combined. If accurate, the figure means that a little under one in 10 deaths globally can be traced to lead. Meanwhile, a social cost of 6.9 percent of global GDP exceeds a recent World Bank estimate of the social cost of air pollution, which added up to 6.1 percent of GDP.Digging into the cost of leadThese massive numbers may seem more plausible when you consider just how prevalent serious lead exposure is in developing countries.A 2021 evidence review led by environmental scientist Bret Ericson reviewed blood lead surveys in 34 nations, which together account for over two-thirds of the world’s population. Overall, those studies estimated that 48.5 percent of children had high lead levels (defined as above 5 micrograms per deciliter, or µg/dL). Levels of exposure varied greatly, with surveys in a few countries (like Tanzania) not finding any children with blood lead levels above 5 µg/dL, and other countries (like Pakistan) showing huge majorities with levels that high. (Of course, it’s possible that limitations in these surveys underestimate lead exposure in some countries.) We can identify a number of possible sources of these high lead levels. Historically, the major driver was lead in gasoline, but in 2021 the last country on Earth still using lead for that purpose (Algeria) phased it out. Lead is widely used in car batteries, plane fuel, and the consumer goods that Pure Earth surveyed in its report, but which source is most important in contributing to poisoning in children is still unclear.For one thing, we know surprisingly little about how lead in, say, a plate translates into lead in the system of a human eating off that plate. The Pure Earth study included a test of some aluminum cookware, wherein it boiled acetic acid (the main ingredient in vinegar) in them for two hours, and then tested the liquid for lead. Fifty-two percent of the pots had leached an amount of lead above the World Health Organization guideline level for drinking water. That suggests that food cooked in such pots would contain lead, which would then poison children who drink it. But much more research is needed.Indeed, “more research is needed” is a decent summary for the whole state of lead research. The Lancet Planetary Health study finding that lead kills 5.5 million people a year relied on lead poisoning estimates from the Global Burden of Disease study, which sometimes produces its numbers not based on surveys of actual people, but on other data (like the share of population in urban areas, and the year that leaded gasoline was phased out) that is in turn predictive of lead exposure.Further, the Lancet study estimates deaths caused by lead-induced cardiovascular disease based on studies of the US, estimating the effect of lead on cardiovascular disease rates. Air pollution expert Roy Harrison told the news agency AFP that applying such findings to the whole world is “a huge jump of faith.”That said, any errors could go in both directions. The actual surveys that Ericson and coauthors compiled of blood lead levels showed that the problem was worse than the Global Burden of Disease data suggested. It might be that lead is a greater risk factor for cardiovascular disease in poor countries than in the US, because there are more medical resources to counter the negative effects of lead in the US. All of that could mean the new study actually underestimates the damage lead is doing.The only way to have a stronger sense of the scale of the problem is to invest more in understanding it. A 2021 report found that nonprofits spend, at most, $10 million a year addressing lead exposure in developing countries, with much of that money coming from governments. For comparison, global efforts to fight HIV/AIDS, which, if this new report is to be believed, kills about one-fifth as many people globally as lead does, got $8.2 billion in government funding in 2022 alone. The point here is not that we’re spending too much on HIV/AIDS — we may still be spending too little there too. But we’re spending far too little on understanding and tackling lead exposure, when it could be a problem of similar or greater magnitude. It’s among the most neglected problems in global health, and one where a substantial investment could go a long way.

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