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The sounds of science: What scientists can learn by turning their data into sounds

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The sounds of science: What scientists can learn by turning their data into sounds

Biochemist Martin Gruebele repeatedly dons a pair of headphones in his lab on the College of Illinois. However as an alternative of music, he listens to a cacophony of clinking, jarring noises — as if a gaggle of robots had been having a loud argument.

The payoff for this ache? These sounds assist Gruebele perceive how proteins in our physique work together with water.

Protein molecules fold like shape-shifting transformers to hold out important mobile capabilities in our physique. When issues go improper, misfolded proteins can kind plaques within the mind, a course of that’s considered the reason for neurodegenerative ailments reminiscent of Alzheimer’s.

Gruebele has devised laptop simulations to grasp protein folding, which happens primarily within the water inside our cells. However the interactions between a protein and trillions of water molecules are too advanced — and occur too quick — for him to see them in his simulations.

So he listens for them as an alternative.

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“It’s a must to consider that sound in the identical means that you consider a graph versus a portray,” Gruebele mentioned.

He makes use of a software program program known as Kyma so as to add a particular sound to every of the quite a few bonds that happen because the protein folds. When performed again, the sound brings order to the chaos by highlighting which explicit interactions dominate.

“I can shut my eyes and inform you, ‘Aha, there’s a protein-to-water hydrogen bond that simply shaped,” he mentioned because the monitor performed out. “As soon as I’ve heard it, I can truly return to the simulation and zoom in on that one particular water molecule and work out which one it was and the place it was making the bond.”

Gruebele is a part of a rising group of researchers utilizing sound to convey scientific phenomena. It’s the auditory equal of information visualization, and its adherents name it “information sonification.”

“It’s a must to consider that sound in the identical means that you consider a graph versus a portray.”

— Martin Gruebele, biochemist

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The idea isn’t completely new. One of many earliest examples of utilizing sound to characterize information is the dosimeter, or Geiger counter. This instrument was designed in 1928 to point the quantity of radioactivity in a given place with clicking sounds. The quicker the tempo of the clicks, the extra harmful the atmosphere. It’s a no-nonsense method to sign hazard in a spot that’s actually making an attempt to kill you.

The Geiger counter was a mechanical system. However immediately, with digital audio, any piece of information might be mapped into sound.

Kyma was developed by Carla Scaletti, a composer and sound engineer primarily based in Urbana-Champaign. Its authentic function was all Hollywood — it was utilized in three Star Wars films and the animated flick “Wall-E.” Its consumer interface permits particular person sounds to be wired collectively like parts in {an electrical} circuit. The result’s a flexible instrument that may produce countless audio mixtures, even a soundtrack of human biology.

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Scaletti believes sonification ought to be pushed by the information alone.

“You will have to have the ability to pay attention and analyze what you’re listening to and never simply sit again and let it wash over you emotionally,” she mentioned.

However for others reminiscent of ocean chemist and saxophonist Noah Germolus, the sounds of science ring nearer to the sound of music.

Germolus, a PhD scholar learning ocean chemistry, collects water samples from the Atlantic and the Caribbean and brings them again to his lab on the Woods Gap Oceanographic Establishment in Falmouth, Mass. There, he passes the samples by way of a sequence of chemical evaluation instruments that measure the abundance of vitamins important for marine life, together with carbon, nitrogen and phosphorus.

The info are recorded on his laptop, then recast on a music employees.

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“I take the depth [of chemicals] and translate that to notes on a employees,” Germolus mentioned. Information equivalent to low concentrations of chemical compounds are decrease notes, and excessive concentrations are greater notes.

The ensuing rating echoes the variety of undersea environments. There are deserts and oases primarily based on the richness of vitamins and the marine life they appeal to.

All of it’s mirrored in Germolus’ music. His favourite soundtrack is of the barren deep ocean.

“I feel it sounds just a little bit melancholy,” he mentioned. “The expression that it’s presupposed to convey is … you’re a microbe floating round, the water itself isn’t transferring very a lot, you’re not transferring very a lot, your metabolism is gradual.”

Germolus had recorded the quantity of dissolved natural carbon, the signature ingredient of life. He knew it will be scarce greater than a mile beneath the floor, so the desolate tone wasn’t a shock.

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However surprises are welcome. Germolus recalled listening to information from the ocean floor and listening to a excessive G amongst a bunch of low notes, making him surprise, “What’s that? What’s happening right here?”

The sudden transition may be a marker of fragrant compounds, he mentioned. “That type of stuff is attention-grabbing and necessary, particularly because it pertains to each pollution and because it pertains to natural compounds.”

Whereas Germolus makes a type of jazz out of ocean vitamins, Jon Bellona makes use of information sonification to assist us hearken to the oceans breathe.

Working with ocean information collected in 2017, Bellona makes use of software program to trace the motion of carbon dioxide out and in of the water. When chilly winter waters suck in carbon dioxide from the environment, he hears low rumbling sounds. When the hotter oceans exhale the fuel in the summertime, he hears a scrunchy sound resembling waves crashing into the shore.

“Sonification might help researchers do day-to-day work,” mentioned Bellona, a sound artist on the College of Oregon. It’s good for “discovering new patterns that we can not see, and on the identical time, in being inclusive.”

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Amy Bower, an oceanographer on the Woods Gap Oceanographic Institute, mentioned she was blown away by Bellona’s ocean monitor.

Bower is legally blind. Whereas in graduate college, she was recognized with retinitis pigmentosa, a situation that causes imaginative and prescient to deteriorate slowly over time.

“For years, I’ve been investigating what’s out there to me in terms of accessing graphics and information,” Bower mentioned. However with out a lot success — the truth that science depends so closely on plots and charts is a large hurdle for visually impaired researchers like her.

Information sonification adjustments that. By listening to Bellona’s audio, “I might truly piece it collectively the way in which I used to after I would take a look at a graph,” she mentioned.

Kimberly Arcand, an information visualization knowledgeable with NASA’s Chandra X-ray Observatory, views sonification as simply one other means of translating information from one kind into one other. It’s one thing astronomers already do on a regular basis to boost their understanding of sunshine that’s outdoors the slender band of wavelengths our eyes can detect.

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(Scott Gelber / For The Occasions)

“What the human eye can see is only a tiny, tiny sliver of what’s on the market within the universe,” Arcand mentioned. “It’s like the center C, and a few keys on both aspect of it on a piano keyboard.”

Many photos of house, together with the infrared photos not too long ago launched by the James Webb Area Telescope, have been translated into seen gentle that people can understand, she identified, “so why not do the identical with sound?”

For one factor, it makes astronomy accessible to these unable to see.

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Take into account a picture of the middle of the Milky Method galaxy created with information from the Hubble (which captures seen gentle), Spitzer (which sees the longer wavelengths of infrared gentle) and Chandra (which captures shorter-wavelength X-rays) house telescopes. Arcand assigns distinct sounds to completely different wavelengths of sunshine, which customers can hear as a cursor scans from left to proper.

The sprinkling of stars is conveyed by the tinkling of wind chimes, whereas the widespread interstellar fuel and mud draw out sustained stringed notes. Locations with high-energy X-ray emissions strike deep piano notes. The entire symphony combines in a crescendo on the very middle of the galaxy, the place a supermassive black gap is shrouded by extraordinarily dense cosmic matter.

Visually impaired folks have described Arcand’s aural translation utilizing phrases reminiscent of “spooky,” “scary,” “pretty,” “attractive” and “awe-inspiring,” she mentioned. However what gratified her most was making sighted audiences conscious that “there are individuals who can’t see the universe like they’re seeing proper now.”

Bower mentioned there are two colleges of thought of taking liberties with sounds.

“If the aim is simply to get the general public enthusiastic about science, then I’m all for making it as a lot an artwork,” the oceanographer mentioned. “But when it’s for science, you gotta be devoted to the information.”

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“What the human eye can see is only a tiny, tiny sliver of what’s on the market within the universe.”

— Kimberly Arcand, NASA information visualization knowledgeable

Mark Temple, a molecular biologist at Western Sydney College, sonifies information with each objectives in thoughts.

“I’ve acquired a scientific motivation, and I’ve acquired type of a musical motivation. I preserve them impartial,” mentioned Temple, who was a drummer for the Australian indie pop band the Hummingbirds.

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In the present day he might be described because the “DNA DJ.” He assigns a definite word to every of the 4 bases of the DNA molecule — A, C, G, and T.

By listening to a protracted string of genetic code, “you possibly can simply distinguish repetitive DNA sequences from extra advanced DNA sequences,” Temple mentioned.

As an illustration, folks with Huntington’s illness have a three-letter section of a selected gene that repeats considerably extra usually than it does in individuals who don’t have the illness. In Temple’s sonification of this gene, the telltale signal of Huntington’s appears like a damaged file.

Temple’s DNA discography has advanced in musical model. His newer tracks deliver in additional variation, reminiscent of distinctive sounds marking the beginning and the tip of a gene, extra notes for energetic elements of DNA, and background harmonies for the inactive sequences in between. A current composition primarily based on the gene for the coronavirus spike protein, which has 4,000 chemical letters, takes about 4 minutes to get by way of.

Temple has additionally created an internet app that lets anybody plug and play their very own DNA that’s been sequenced by an organization reminiscent of 23andMe or Ancestry.com.

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“When you have a genetic illness, and also you’ve acquired one thing that you simply need to attempt to perceive, I feel enjoying the distinction between a wholesome particular person and a diseased particular person — in order that the variations stand out — could be attention-grabbing to folks.”

In relation to sonification, each creator has completely different objectives, makes use of and audiences. In addition they have their very own methods of constructing sounds, from Scaletti’s sound design software program and Temple’s DNA-coding algorithms to Germolus’ sheets of music.

However all of them agree that no single instrument can obtain all of it.

“If you wish to create issues, that you must have the instruments to do it. And so they have to be straightforward and intuitive to make use of,” Gruebele mentioned. (That is additionally true for visible graphics, a subject for which loads of software program exists that everybody can use.)

Bower and Bellona are working to develop common sonification strategies, which would be the focus of a forthcoming mission known as Accessible Oceans.

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They hope extra researchers perceive the worth of utilizing sound to current and analyze information. For a self-discipline that strives to make sense of the world we dwell in, Bellona mentioned that sonification represented “a very thrilling” shift in how scientists can make the most of different senses towards speaking info.

Scaletti agreed that sound has the ability to convey numerous that means.

“Folks know that due to language,” she mentioned, “however they assume all the pieces else is music.” That’s why she’s carving a brand new area of interest within the human soundscape for science.

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NIH budget cuts threaten the future of biomedical research — and the young scientists behind it

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NIH budget cuts threaten the future of biomedical research — and the young scientists behind it

Over the last several months, a deep sense of unease has settled over laboratories across the United States. Researchers at every stage — from graduate students to senior faculty — have been forced to shelve experiments, rework career plans, and quietly warn each other not to count on long-term funding. Some are even considering leaving the country altogether.

This growing anxiety stems from an abrupt shift in how research is funded — and who, if anyone, will receive support moving forward. As grants are being frozen or rescinded with little warning and layoffs begin to ripple through institutions, scientists have been left to confront a troubling question: Is it still possible to build a future in U.S. science?

On May 2, the White House released its Fiscal Year 2026 Discretionary Budget Request, proposing a nearly $18-billion cut from the National Institutes of Health. This cut, which represents approximately 40% of the NIH’s 2025 budget, is set to take effect on Oct. 1 if adopted by Congress.

“This proposal will have long-term and short-term consequences,” said Stephen Jameson, president of the American Assn. of Immunologists. “Many ongoing research projects will have to stop, clinical trials will have to be halted, and there’ll be the knock-on effects on the trainees who are the next generation of leaders in biomedical research. So I think there’s going to be varied and potentially catastrophic effects, especially on the next generation of our researchers, which in turn will lead to a loss of the status of the U.S. as a leader in biomedical research.“

In the request, the administration justified the move as part of its broader commitment to “restoring accountability, public trust, and transparency at the NIH.” It accused the NIH of engaging in “wasteful spending” and “risky research,” releasing “misleading information,” and promoting “dangerous ideologies that undermine public health.”

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National Institutes of Health.

(NIH.gov)

To track the scope of NIH funding cuts, a group of scientists and data analysts launched Grant Watch, an independent project that monitors grant cancellations at the NIH and the National Science Foundation. This database compiles information from public government records, official databases, and direct submissions from affected researchers, grant administrators, and program directors.

As of July 3, Grant Watch reports 4,473 affected NIH grants, totaling more than $10.1 billion in lost or at-risk funding. These include research and training grants, fellowships, infrastructure support, and career development awards — and affect large and small institutions across the country. Research grants were the most heavily affected, accounting for 2,834 of the listed grants, followed by fellowships (473), career development awards (374) and training grants (289).

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The NIH plays a foundational role in U.S. research. Its grants support the work of more than 300,000 scientists, technicians and research personnel, across some 2,500 institutions and comprising the vast majority of the nation’s biomedical research workforce. As an example, one study, published in the Proceedings of the National Academy of Sciences, found that funding from the NIH contributed to research associated with every one of the 210 new drugs approved by the U.S. Food and Drug Administration between 2010 and 2016.

Jameson emphasized that these kinds of breakthroughs are made possible only by long-term federal investment in fundamental research. “It’s not just scientists sitting in ivory towers,” he said. “There are enough occasions where [basic research] produces something new and actionable — drugs that will save lives.”

That investment pays off in other ways too. In a 2025 analysis, United for Medical Research, a nonprofit coalition of academic research institutions, patient groups and members of the life sciences industry, found that every dollar the NIH spends generates $2.56 in economic activity.

A ‘brain drain’ on the horizon

Support from the NIH underpins not only research, but also the training pipeline for scientists, physicians and entrepreneurs — the workforce that fuels U.S. leadership in medicine, biotechnology and global health innovation. But continued American preeminence is not a given. Other countries are rapidly expanding their investments in science and research-intensive industries.

If current trends continue, the U.S. risks undergoing a severe “brain drain.” In a March survey conducted by Nature, 75% of U.S. scientists said they were considering looking for jobs abroad, most commonly in Europe and Canada.

This exodus would shrink domestic lab rosters, and could erode the collaborative power and downstream innovation that typically follows discovery. “It’s wonderful that scientists share everything as new discoveries come out,” Jameson said. “But, you tend to work with the people who are nearby. So if there’s a major discovery in another country, they will work with their pharmaceutical companies to develop it, not ours.”

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At UCLA, Dr. Antoni Ribas has already started to see the ripple effects. “One of my senior scientists was on the job market,” Ribas said. “She had a couple of offers before the election, and those offers were higher than anything that she’s seen since. What’s being offered to people looking to start their own laboratories and independent research careers is going down — fast.”

In addition, Ribas, who directs the Tumor Immunology Program at the Jonsson Comprehensive Cancer Center, says that academia and industry are now closing their door to young talent. “The cuts in academia will lead to less positions being offered,” Ribas explained. “Institutions are becoming more reluctant to attract new faculty and provide startup packages.” At the same time, he said, the biotech industry is also struggling. “Even companies that were doing well are facing difficulties raising enough money to keep going, so we’re losing even more potential positions for researchers that are finishing their training.”

This comes at a particularly bitter moment. Scientific capabilities are soaring, with new tools allowing researchers to examine single cells in precise detail, probe every gene in the genome, and even trace diseases at the molecular level. “It’s a pity,” Ribas said, “Because we have made demonstrable progress in treating cancer and other diseases. But now we’re seeing this artificial attack being imposed on the whole enterprise.”

Without federal support, he warns, the system begins to collapse. “It’s as if you have a football team, but then you don’t have a football field. We have the people and the ideas, but without the infrastructure — the labs, the funding, the institutional support — we can’t do the research.”

For graduate students and postdoctoral fellows in particular, funding uncertainty has placed them in a precarious position.

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“I think everyone is in this constant state of uncertainty,” said Julia Falo, a postdoctoral fellow at UC Berkeley and recording secretary of UAW 4811, the union for workers at the University of California. “We don’t know if our own grants are going to be funded, if our supervisor’s grants are going to be funded, or even if there will be faculty jobs in the next two years.”

She described colleagues who have had funding delayed or withdrawn without warning, sometimes for containing flagged words like “diverse” or “trans-” or even for having any international component.

The stakes are especially high for researchers on visas. As Falo points out for those researchers, “If the grant that is funding your work doesn’t exist anymore, you can be issued a layoff. Depending on your visa, you may have only a few months to find a new job — or leave the country.”

A graduate student at a California university, who requested anonymity due to the potential impact on their own position — which is funded by an NIH grant— echoed those concerns. “I think we’re all a little on edge. We’re all nervous,” they said. “We have to make sure that we’re planning only a year in advance, just so that we can be sure that we’re confident of where that funding is going to come from. In case it all of a sudden gets cut.”

The student said their decision to pursue research was rooted in a desire to study rare diseases often overlooked by industry. After transitioning from a more clinical setting, they were drawn to academia for its ability to fund smaller, higher-impact projects — the kind that might never turn a profit but could still change lives. They hope to one day become a principal investigator, or PI, and lead their own research lab.

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Now, that path feels increasingly uncertain. “If things continue the way that they have been,” they said. “I’m concerned about getting or continuing to get NIH funding, especially as a new PI.”

Still, they are staying committed to academic research. “If we all shy off and back down, the people who want this defunded win.”

Rallying behind science

Already, researchers, universities and advocacy groups have been pushing back against the proposed budget cut.

On campuses across the country, students and researchers have organized rallies, marches and letter-writing campaigns to defend federal research funding. “Stand Up for Science” protests have occurred nationwide, and unions like UAW 4811 have mobilized across the UC system to pressure lawmakers and demand support for at-risk researchers. Their efforts have helped prevent additional state-level cuts in California: in June, the Legislature rejected Gov. Gavin Newsom’s proposed $129.7-million reduction to the UC budget.

Earlier this year, a coalition of public health groups, researchers and unions — led by the American Public Health Assn. — sued the NIH and Department of Health and Human Services over the termination of more than a thousand grants. On June 16, U.S. District Judge William Young ruled in their favor, ordering the NIH to reinstate over 900 canceled grants and calling the terminations unlawful and discriminatory. Although the ruling applies only to grants named in the lawsuit, it marks the first major legal setback to the administration’s research funding rollback.

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Though much of the current spotlight (including that lawsuit) has focused on biomedical science, the proposed NIH cuts threaten research far beyond immunology or cancer. Fields ranging from mental health to environmental science stand to lose crucial support. And although some grants may be in the process of reinstatement, the damage already done — paused projects, lost jobs and upended career paths — can’t simply be undone with next year’s budget.

And yet, amid the fear and frustration, there’s still resolve. “I’m floored by the fact that the trainees are still devoted,” Jameson said. “They still come in and work hard. They’re still hopeful about the future.”

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Should bioplastics be counted as compost? Debate pits farmers against manufacturers

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Should bioplastics be counted as compost? Debate pits farmers against manufacturers

Greg Pryor began composting yard and food waste for San Francisco in 1996, and today he oversees nine industrial-sized composting sites in California and Oregon that turn discarded banana peels, coffee grounds, chicken bones and more into a dark, nutrient-rich soil that farmers covet for their fields and crops.

His company, Recology, processes organic waste from cities and municipalities across the Bay Area, Central Valley, Northern California, Oregon and Washington — part of a growing movement to reduce greenhouse gas emissions by minimizing food waste in landfills.

But, said Pryor, if bioplastic and compostable food packaging manufacturers’ get their way, the whole system could collapse.

At issue is a 2021 California law, known as Assembly Bill 1201, which requires that products labeled “compostable” must actually break down into compost, not contaminate soil or crops with toxic chemicals, and be readily identifiable to both consumers and solid waste facilities.

The law also stipulates that products carrying a “compostable” label must meet the U.S. Department of Agriculture’s National Organic Program requirements, which only allow for plant and animal material in compost feedstock, and bar all synthetic substances and materials — plastics, bioplastics and most packaging materials — except for newspaper or other recycled paper without glossy or colored ink.

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Close-up of text on plastic cup reading Made From Corn, referring to plant derived bioplastics.

(Getty Images)

The USDA is reviewing those requirements at the request of a compostable plastics and packaging industry trade group. Its ruling, expected this fall, could open the door for materials such as bioplastic cups, coffee pods and compostable plastic bags to be admitted into the organic compost waste stream.

Amid pressure from the industry, the California Department of Resources Recycling and Recovery said it will await implementing its own rules on AB 1201 — originally set for Jan. 1, 2026 — until June 30, 2027, to incorporate the USDA guidelines, should there be a change.

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Pryor is concerned that a USDA ruling to allow certain plastic to be considered compost will contaminate his product, make it unsaleable to farmers, and undermine the purpose of composting — which is to improve soil and crop health.

Plastics, microplastics and toxic chemicals can hurt and kill the microorganisms that make his compost healthy and valued. Research also shows these materials, chemicals and products can threaten the health of crops grown in them.

And while research on new generation plastics made from plant and other organic fibers have more mixed findings — suggesting some fibers, in some circumstances, may not be harmful — Pryor said the farmers who buy his compost don’t want any of it. They’ve told him they won’t buy it if he accepts it in his feedstock.

“If you ask farmers, hey, do you mind plastic in your compost? Every one of them will say no. Nobody wants it,” he said.

However, for manufacturers of next-generation, “compostable” food packaging products — such as bioplastic bags, cups and takeout containers made from corn, kelp or sugarcane fibers — those federal requirements present an existential threat to their industry.

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That’s because California is moving toward a new waste management regime which, by 2032, will require all single-use plastic packaging products sold in the state to be either recyclable or compostable.

A worker at Recology's Blossom Valley composting site rides his bike back to the sorting machines after a break in Vernalis.

A worker at Recology’s Blossom Valley composting site rides his bike back to the sorting machines after a break in Vernalis, Calif., on June 26.

(Susanne Rust / Los Angeles Times)

If the products these companies have designed and manufactured for the sole purpose of being incorporated in the compost waste stream are excluded, they will be shut out of the huge California market.

They say their products are biodegradable, contain minimal amounts of toxic chemicals and metals, and provide an alternative to the conventional plastics used to make chip bags, coffee pods and frozen food trays — and wind up in landfills, rivers and oceans.

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“As we move forward, not only are you capturing all this material … such as coffee grounds, but there isn’t really another packaging solution in terms of finding an end of life,” for these products, said Alex Truelove, senior policy manager for the Biodegradable Product Institute, a trade organization for compostable packaging producers.

Material is delivered to a mixing truck where biosolids and amendments are combined then stored in climate controlled piles

(Robert Gauthier/Los Angeles Times)

Material is loaded into a mixing truck where biosolids and amendments are combined then stored in climate controlled piles

Material is loaded into a mixing truck where biosolids and amendments are combined then stored in climate controlled piles to cure at the Tulare Lake Compost plant. (Robert Gauthier/Los Angeles Times)

Kettleman City, CA, Thursday, March 30, 2023 - Tulare Lake Compost facility superintendent Richard Kish digs for a sample of processed compost. The 175 acre plant is located on the Western edge of the Tulare Lake basin and is prepared to handle a rise of up to five feet in the water table level. (Robert Gauthier/Los Angeles Times)

“Even if you could recycle those little cups, which it seems like no one is willing to do … it still requires someone to separate out and peel off the foil top and dump out the grounds. Imagine if you could just have a really thin covering or really thin packaging, and then you could just put it all in” the compost he said. “How much more likely would it be for people to participate?”

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Truelove and Rhodes Yepsen, the executive director of the bioplastic institute, also point to compost bin and can liners, noting that many people won’t participate in separating out their food waste if they can’t put it in a bag — the “yuck” factor. If you create a compostable bag, they say, more people will buy into the program.

The institute — whose board members include or have included representatives from the chemical giant BASF Corp., polystyrene manufacturer Dart Container, Eastman Chemical Co. and PepsiCo — is lobbying the federal and state government to get its products into the compost stream.

Greg Pryor, Recology's director of landfill and organics, stands in front of a pile of processed compost.

Greg Pryor, Recology’s director of landfill and organics, stands in front of a pile of processed compost at the integrated waste management’s Blossom Valley compost site in Vernalis, Calif., on June 26.

(Susanne Rust / Los Angeles Times)

The institute also works as a certifying body, testing, validating and then certifying compostable packaging for composting facilities across the U.S. and Canada.

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In 2023, it petitioned the USDA to reconsider its exclusion of certain synthetic products, calling the current requirements outdated and “one of the biggest stumbling blocks” to efforts in states, such as California, that are trying to create a circular economy, in which products are designed and manufactured to be reused, recycled or composted.

In response, the federal agency contracted the nonprofit Organics Material Review Institute to compile a report evaluating the research that’s been conducted on these products’ safety and compostability.

The institute’s report, released in April, highlighted a variety of concerns including the products’ ability to fully biodegrade — potentially leaving microplastics in the soil — as well as their tendency to introduce forever chemicals, such as per- and polyfluoroalkyl substances (PFAS), and other toxic chemicals into the soil.

“Roughly half of all bioplastics produced are non-biodegradable,” the authors wrote. “To compensate for limitations inherent to bioplastic materials, such as brittleness and low gas barrier properties, bioplastics can contain additives such as synthetic polymers, fillers, and plasticizers. The specific types, amounts, and hazards of these chemicals in bioplastics are rarely disclosed.”

The report also notes that while some products may break down relatively efficiently in industrial composting facilities, when left out in the environment, they may not break down at all. What’s more, converting to biodegradable plastics entirely could result in an increase in biodegradable waste in landfills — and with it emissions of methane, a powerful greenhouse gas, the authors wrote.

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Yepsen and Truelove say their organization won’t certify any products in which PFAS — a chemical often used to line cups and paper to keep out moisture — was intentionally added, or which is found in levels above a certain threshold. And they require 90% biodegradation of the products they certify.

Judith Enck, a former regional Environmental Protection Agency director, and the founder of Beyond Plastics, an anti-plastic waste environmental group based in Bennington, Vt., said the inclusion of compost as an end-life option for packaging in California’s new waste management regime was a mistake.

“What it did was to turn composting into a waste disposal strategy, not a soil health strategy,” she said. “The whole point of composting is to improve soil health. But I think what’s really driving this debate right now is consumer brand companies who just want the cheapest option to keep producing single-use packaging. And the chemical companies, because they want to keep selling chemicals for packaging and a lot of so-called biodegradable or compostable packaging contains those chemicals.”

Bob Shaffer, an agronomist and coffee farmer in Hawaii, said he’s been watching these products for years, and won’t put any of those materials in his compost.

“Farmers are growing our food, and we’re depending on them. And the soils they grow our crops in need care,” he said. “I’ll grow food for you, and I’ll grow gorgeous food for you, but give us back the food stuff you’re not using or eating, so we can compost it, return it to the soil, and make a beautiful crop for you. But be mindful of what you give back to us. We can’t grow you beautiful food from plastic and toxic chemicals.”

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Recology’s Pryor said the food waste his company receives has increasingly become polluted with plastic.

He pointed toward a pile of food waste at his company’s composting site in the San Joaquin Valley town of Vernalis. The pile looked less like a heap of rotting and decaying food than a dirty mound of plastic bags, disposable coffee cups, empty, greasy chip bags and takeout boxes.

“I’ve been doing this for more than three decades, and I can tell you the food we process hasn’t changed over that time,” he said. “Neither have the leaves, brush and yard clippings we bring in. The only thing that’s changed? Plastics and biodegradable plastics.”

He said if the USDA and CalRecycle open the doors for these next-generation materials, the problem is just going to get worse.

“People are already confused about what they can and can’t put in,” he said. “Opening the door for this stuff is jut going to open the floodgates. For all kinds of materials. It’s a shame.”

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Federal contractors improperly dumped wildfire-related asbestos waste at L.A. area landfills

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Federal contractors improperly dumped wildfire-related asbestos waste at L.A. area landfills

Federal contractors tasked with clearing ash and debris from the Eaton and Palisades wildfires improperly sent truckloads of asbestos-tainted waste to nonhazardous landfills, including one where workers were not wearing respiratory protection, according to state and local records.

From Feb. 28 to March 24, federal cleanup crews gathered up wreckage from six burned-down homes as part of the wildfire recovery efforts led by the U.S. Army Corps of Engineers and its primary contractor Environmental Chemical Corp.

However, prior to reviewing mandated tests for asbestos, crews loaded the fire debris onto dump trucks bound for Simi Valley Landfill and Recycling Center, and possibly Calabasas Landfill in unincorporated Agoura and Sunshine Canyon Landfill in Los Angeles’ Sylmar neighborhood, according to reports by the California Office of Emergency Services and Ventura County.

Later on, federal contractors learned those tests determined that the fire debris from these homes contained asbestos, a fire-resistant building material made up of durable thread-like fibers that can cause serious lung damage if inhaled.

The incident wasn’t reported to landfill operators or environmental regulators until weeks later in mid-April.

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Many Southern California residents and environmental groups had already objected to sending wildfire ash and debris to local landfills that were not designed to handle high levels of contaminants and potentially hazardous waste that are often commingled in wildfire debris. They feared toxic substances — including lead and asbestos — could pose a risk to municipal landfill workers and might even drift into nearby communities as airborne dust.

The botched asbestos disposal amplifies those concerns and illustrates that in some cases federal contractors are failing to adhere to hazardous waste protocols.

“You have to wonder if they caught it here, how many times didn’t they catch it?” asked Jane Williams, executive director of the nonprofit California Communities Against Toxics. “It’s the continued failure to effectively protect the public from the ash. This is further evidence of that failure. This is us deciding those who work and live around these landfills are expendable.”

As of May 1, nearly 1 million tons of disaster debris has been taken to four landfills in Southern California. Simi Valley, an 887-acre landfill in Ventura County, has taken two-thirds of the tonnage. Several residents who live nearby voiced their disappointment ahead of the June 24 Ventura County Board of Supervisors vote to approve emergency waivers to allow fire debris to continue to be disposed of at Simi Valley Landfill — without a cap on tonnage — until Sept. 3.

“When I told my kids about the fire debris being dumped at the landfill, they asked me, why would anyone allow us to be exposed to this?” said Nicole Luekenga, a resident of nearby Moorpark, at the June 24 board meeting. “We are deeply concerned about the potential health risks from the fire debris being dumped at a residential landfill in our community. It feels as though profit and convenience are being prioritized over public safety, and that is unacceptable.”

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An Environmental Chemical Corp. official acknowledged the lapse in asbestos protocols led to the improper disposal in February and March. He said the ash and debris from the six homes — four in Altadena, one in Pacific Palisades and one in Malibu — contained “trace amounts” of asbestos but did not elaborate on the specific type of building material that contained asbestos, or why the debris wasn’t flagged.

Asbestos has historically been used in a variety of construction materials — large and small — including roofing shingles, cement pipes, popcorn ceilings and insulation.

The company official said the improper disposal may have been due to a failure of either its workers or subcontractors to properly review paperwork. He also said he was unaware of any other cases in which asbestos or hazardous waste were improperly disposed. The Army Corps of Engineers declined to comment on the matter.

Environmental Chemical officials told Simi Valley Landfill that the asbestos should be presumed to be friable, a form of the fibrous mineral that is more easily broken down into smaller pieces and considered hazardous waste, according to an April letter from the landfill’s owner, Waste Management, to the Los Angeles Regional Water Quality Control Board.

During the time the asbestos waste was taken to the landfills, workers handling fire debris at Simi Valley Landfill had not been wearing protective masks or respirators, according to inspection reports. Typically municipal landfill workers don’t wear face coverings because they are mostly handling trash and nonhazardous waste.

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But experts say protective masks are essential for protecting worker health at landfills. Landfill workers or hired contractors regularly drill pipelines extending hundreds of feet underground into the layers of the waste to extract gases that can build up when garbage decomposes. Experts say drilling into hazardous waste, such as asbestos waste, could expose workers to harmful substances if they aren’t wearing appropriate protective equipment.

During at least one visit in March, a Ventura County inspector found workers without masks in parts of the landfill designated for fire debris. Waste Management staff told the county inspector that mask-wearing was voluntary for employees. In April, county inspectors observed at least four workers constructing a new well in the fire debris area without respiratory protection, and another worker with only a cloth face mask.

High-filtration respirators are typically considered the best form of protection against asbestos. Protective masks, such as N95 masks, can guard against breathing in small particles, but should not be used to protect against asbestos.

Since learning about the asbestos-containing fire debris, local regulators have ordered the operators of Simi Valley Landfill to consult with safety professionals to determine the appropriate level of protective gear needed to protect against breathing in hazardous contaminants.

Army Corps officials had previously vowed that contractors would test for asbestos and take steps to segregate this waste and to take it to the appropriate disposal locations, such as Azusa Land Reclamation Co., a 300-acre landfill in the San Gabriel Valley that is also owned by Waste Management.

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Waste Management officials said the company intends to leave the asbestos-containing waste in place, because attempting to excavate it could increase the likelihood that some of the toxic material would be released into the air. Nicole Stetson, district manager at Waste Management, urged the Los Angeles Regional Water Quality Board to ask Environmental Chemical what actions it would take to prevent more asbestos from inadvertently being dumped there.

The landfill staff “followed all relevant procedures during affected period and could not have prevented these events through any reasonable means,” Stetson wrote in a letter in April.

So far, regulators have been mum on whether any enforcement action has been taken after the lapse in hazardous waste protocols. The regional water board declined to comment. CalRecycle referred questions to local authorities that it partners with to provide oversight and ensure compliance.

The Army Corps of Engineers is more than halfway through its mission of clearing the wildfire debris from the vast majority of homes and schools that were razed in the Eaton and Palisades wildfires. So far, it has overseen the removal of fire debris from nearly 9,000 properties.

The wildfire ash and debris the Army Corps has moved from disaster sites to landfills probably contains elevated levels of toxic metals. For example, Nick Spada, a researcher with the UC Davis Air Quality Research Center, has collected dozens of ash samples from the burn scars and, in preliminary findings, found elevated levels of lead, arsenic, cadmium and antimony in the test materials.

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Spada is sampling the air near Simi Valley Landfill in hopes of identifying the levels of dust pollution from the site. The air sampling will help determine the types of metals in the air along with the particle sizes. (Smaller particles can cause more health complications because after they are inhaled into lungs, some are tiny enough to enter the bloodstream.)

Spada said the forthcoming results should provide communities with important greater insight into public health risks associated with the wildfire debris that continues to be dumped there. But, beyond the community, Spada is also concerned with those who are the closest to the debris: the workers.

“I see our role as raising concerns and then exploring them and trying to help out our friends in the regulatory agencies and the government that are all working as hard as they can trying to get a handle on this massive tragedy,” he said. “I’m concerned about all the workers who are in the burn areas, who are doing this work without respirators. It’s really hot, so heat-related illnesses is a primary concern, as is respiration of these particles.”

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