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The Global Progress of Composting Food Waste
By Dave Levitan
As municipal food composting programs spread across North America and Europe, no city faces a more daunting task than New York. Its Department of Sanitation collects more than 10,000 tons of trash every day, and another 1,700 tons of recyclable materials. A large portion of that waste, though, may soon have a future other than the landfill: Food scraps and other “organics” have long been just a part of New York’s trash pile, but a pilot program in the city is aimed at rolling out collection of that material and composting it, a far more environmentally friendly method.
Photo courtesy of Shutterstock
“It’s the next new thing in terms of municipal waste handling in the 21st century,” says Eric Goldstein, a senior attorney with the Natural Resources Defense Council (NRDC) in New York. “Right now ... there are over 150 communities throughout the United States that are collecting organics at curbside. It’s a national trend. It’s revolutionary.”
Many of those programs are still voluntary, and the bulk are in small cities and towns. But larger cities in North America—including San Francisco, Seattle, San Antonio, Toronto and Portland, OR—are moving rapidly ahead. And municipal composting efforts in many European countries are far advanced and steadily growing. In 2011, the 27 states in the European Union composted on average 15 percent of municipal waste, with Austria composting 34 percent, the Netherlands 28 percent, and countries like France, Spain, and Germany each composting about 18 percent.
In New York Mayor Michael Bloomberg’s State of the City address this past February, he called food waste the city’s “final recycling frontier,” which holds true for the rest of the U.S., as well. According to the U.S. Environmental Protection Agency (EPA), the country as a whole produced 250 million tons of municipal solid waste in 2011, and compostable materials—which include yard trimmings, paper and paperboard, as well as food waste—comprised the largest component of that at 56 percent.
The environmental benefits of recycling that material are significant. As it decomposes in landfills, food and other organic waste produces methane, a greenhouse gas 25 times more powerful than carbon dioxide. According to the EPA, landfills are the third-largest source of methane in the U.S., behind industry and agriculture. Shipping waste long distances from cities to landfills produces even more greenhouse gas emissions. Composting, meanwhile, takes that waste and turns it into something usable: fertilizer. If cities like New York want to cut emissions, cut waste and even cut costs, composting is a proven way to go about it.
The good news is that of the 87 million tons of “recovered” waste in the U.S. in 2011—meaning waste that did not end up in a landfill—organic material accounted for the largest component. But most of that material was paper; food waste accounted for only 1.6 percent of the recovered total versus 14.5 percent of the generated total, the EPA says. The U.S. does a reasonably good job of keeping paper out of landfills thanks to recycling programs, but food almost universally still goes where it shouldn’t.
New York is trying to change that with its new program. So far, compost collection is being offered in one neighborhood of Staten Island, and city officials say that after only a few months participation rates are above 40 percent. Contamination rates—meaning, the presence of non-compostable material in the compost bin—are at 1 percent or below. In Manhattan, about 100 city schools are also participating, with a goal of spreading to 400 schools by the end of the year. Two high-rise apartment buildings are included as well, with more to follow this fall.
“We spend over $85 million a year sending food waste to landfills, so there’s a major cost,” said Ron Gonen, New York City’s deputy commissioner for recycling and sustainability, who heads up the composting program. He said so far the program is collecting at a pace on the order of “tens of thousands” of tons per year. “It’s growing every day,” said Gonen. “We’re going to continue to expand, in all five boroughs.” By 2014 the program will cover around 100,000 households.
Goldstein says that if New York demonstrates the economic and logistical viability of its program it could be a “bellwether” in the push to expand composting nationwide. But a few cities—in general, the green, progressive ones you might expect—have already taken the lead over the last decade. San Francisco—the second-densest large city in the U.S. after New York—is considered the frontrunner, thanks to legislation in 2002 that set a goal of diverting 75 percent of its waste from landfills by 2010 and achieving “zero waste” by 2020.
San Francisco’s composting program began with restaurants and other businesses, and in 2009 an ordinance made it mandatory for all residents to separate organic material for collection. Instead of two bins to set out on the curb for trash and recyclables, there are now three. The green compost bins can include all food scraps, no matter how spoiled, along with vegetation from yards like leaves and flowers, and solid paper products including coffee cups, waxy paper, milk cartons and related items. The city collected its millionth ton of organic waste for composting last fall. Overall, 78 percent of San Francisco’s waste is now diverted from landfills.
Seattle has a similar program, as does Portland; the latter went a step further and scaled back residential garbage pickup to only once every two weeks when the weekly compost pickup began.
Despite some early resistance and confusion—much of it related to every-other-week garbage collection—a survey in Portland found that 66 percent of residents rated the city’s recycling and composting program as “good” or “very good” after one year, with another 20 percent neutral on the issue. Along with the positive reception, there has been clear progress. In the 12-month period prior to the October 2011 start of the composting program, 94,100 tons of garbage were collected. In the following 12 months, that figure fell to 58,300 tons. Meanwhile, collections of compostable material rose from 30,600 tons to 85,400 tons, a figure that includes yard waste.
There were questions early on about vermin, but moving the scraps from the garbage can to the compost bin doesn’t change much, said Bruce Walker, Portland’s solid waste and recycling program manager. The organic material in Portland travels to one of two facilities that are 15 and 90 miles from downtown. Walker said regular garbage gets trucked much farther, about 140 miles from the city, so the environmental savings are compounded. The composting facilities produce fertilizers that are sold to farms, tree nurseries and to the general public.
In Europe, the European Landfill Directive requires European Union member states to reduce “biodegradable municipal waste” sent to landfills to 35 percent of 1995 amounts by 2016. In the EU, 40 percent of waste is now composted or recycled, with 23 percent incinerated and 37 percent landfilled. Norway, Sweden, the Netherlands, Denmark, Switzerland, Belgium, Austria and Germany now send less than 3 percent of their waste to landfills. Copenhagen, one of the greenest cities in the world, stopped sending organic waste to landfills as far back as 1990.
Other European countries lag far behind, with Greece and eastern European nations such as Bulgaria, Lithuania and Romania doing almost no composting. Still, some of the swiftest progress has come from some former eastern bloc countries like Estonia. The capital city of Talinn has been collecting biodegradable kitchen waste separately since 2007, part of the reason why landfill rates in Estonia have dropped from close to 100 percent 15 years ago to below 60 percent today. Europe is also much farther along than the U.S. in using anaerobic digestion, a process that takes organic waste and turns it into biogas, which can be used to generate electricity.
In New York, the question of where to bring collected organic material is unresolved. The city has a request for proposals to build a new composting plant in or close to the city, but until then there aren’t nearby facilities that can handle large amounts. Goldstein, of the NRDC, said that one possibility is to site facilities outside the city or partner with farms in the Catskills—sending the material 75 miles or so is still a huge improvement on the current system, which involves exporting to landfills sometimes many states and hundreds of miles away.
“The city has been really slow in terms of going through this process,” said Christine Datz-Romero, co-founder and executive director of the Lower East Side Ecology Center, which has worked on composting in New York for two decades. “If we wanted a facility here in New York City we should have started that process a long time ago. For building a facility we’re talking years. I see that as the biggest stumbling block because right now we have very limited capacity.”
Should New York and numerous other U.S. cities and towns establish vibrant composting programs, the environmental benefits will be enormous, advocates say. “Ultimately, there’s going to be very little left in the traditional garbage can,” said Goldstein.
Visit EcoWatch’s FOOD page for more related news on this topic.
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Global Banks, Led by JPMorgan Chase, Invested $1.9 Trillion in Fossil Fuels Since Paris Climate Pact
By Sharon Kelly
A report published Wednesday names the banks that have played the biggest recent role in funding fossil fuel projects, finding that since 2016, immediately following the Paris agreement's adoption, 33 global banks have poured $1.9 trillion into financing climate-changing projects worldwide.
By Patti Lynn
2018 was a groundbreaking year in the public conversation about climate change. Last February, The New York Times reported that a record percentage of Americans now believe that climate change is caused by humans, and there was a 20 percentage point rise in "the number of Americans who say they worry 'a great deal' about climate change."
England faces an "existential threat" if it does not change how it manages its water, the head of the country's Environment Agency warned Tuesday.
By Jessica Corbett
A new analysis revealed Tuesday that over the past two decades heat records across the U.S. have been broken twice as often as cold ones—underscoring experts' warnings about the increasingly dangerous consequences of failing to dramatically curb planet-warming emissions.
By Madison Dapcevich
Ask any resident of San Francisco about the waterfront parrots, and they will surely tell you a story of red-faced conures squawking or dive-bombing between building peaks. Ask a team of researchers from the University of Georgia, however, and they will tell you of a mysterious string of neurological poisonings impacting the naturalized flock for decades.
The initial cause of the fire was not yet known, but it has been driven by the strong wind and jumped the North Santiam River, The Salem Statesman Journal reported. As of Tuesday night, it threatened around 35 homes and 30 buildings, and was 20 percent contained.
The unanimous verdict was announced Tuesday in San Francisco in the first federal case to be brought against Monsanto, now owned by Bayer, alleging that repeated use of the company's glyphosate-containing weedkiller caused the plaintiff's cancer. Seventy-year-old Edwin Hardeman of Santa Rosa, California said he used Roundup for almost 30 years on his properties before developing non-Hodgkin's lymphoma.
"Today's verdict reinforces what another jury found last year, and what scientists with the state of California and the World Health Organization have concluded: Glyphosate causes cancer in people," Environmental Working Group President Ken Cook said in a statement. "As similar lawsuits mount, the evidence will grow that Roundup is not safe, and that the company has tried to cover it up."
Judge Vince Chhabria has split Hardeman's trial into two phases. The first, decided Tuesday, focused exclusively on whether or not Roundup use caused the plaintiff's cancer. The second, to begin Wednesday, will assess if Bayer is liable for damages.
"We are disappointed with the jury's initial decision, but we continue to believe firmly that the science confirms glyphosate-based herbicides do not cause cancer," Bayer spokesman Dan Childs said in a statement reported by The Guardian. "We are confident the evidence in phase two will show that Monsanto's conduct has been appropriate and the company should not be liable for Mr. Hardeman's cancer."
Some legal experts said that Chhabria's decision to split the trial was beneficial to Bayer, Reuters reported. The company had complained that the jury in Johnson's case had been distracted by the lawyers' claims that Monsanto had sought to mislead scientists and the public about Roundup's safety.
However, a remark made by Chhabria during the trial and reported by The Guardian was blatantly critical of the company.
"Although the evidence that Roundup causes cancer is quite equivocal, there is strong evidence from which a jury could conclude that Monsanto does not particularly care whether its product is in fact giving people cancer, focusing instead on manipulating public opinion and undermining anyone who raises genuine and legitimate concerns about the issue," he said.
Many regulatory bodies, including the U.S. Environmental Protection Agency, have ruled that glyphosate is safe for humans, but the World Health Organization's International Agency for Research on Cancer found it was "probably carcinogenic to humans" in 2015. A university study earlier this year found that glyphosate use increased cancer risk by as much as 41 percent.
Hardeman's lawyers Jennifer Moore and Aimee Wagstaff said they would now reveal Monsanto's efforts to mislead the public about the safety of its product.
"Now we can focus on the evidence that Monsanto has not taken a responsible, objective approach to the safety of Roundup," they wrote in a statement reported by The Guardian.
Hardeman's case is considered a "bellwether" trial for the more than 760 glyphosate cases Chhabria is hearing. In total, there are around 11,200 such lawsuits pending in the U.S., according to Reuters.
University of Richmond law professor Carl Tobias told Reuters that Tuesday's decision showed that the verdict in Johnson's case was not "an aberration," and could possibly predict how future juries in the thousands of pending cases would respond.