Climate Game Changer: How San Francisco's Compost Could Heal The Planet
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Gabriela Arvizu




environment | San Francisco

Climate Game Changer: How San Francisco’s Compost Could Heal The Planet

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In 2000, San Francisco became the first major city in the United States to offer curbside collection of food scraps and yard trimmings. Today, the city collects nearly 700 tons of compostable material daily, giving these materials a second life as high-value, commercial-grade compost. Compost is sold to vineyards, farms and rangelands in California, creating a circular economy with big benefits. The biggest benefit, perhaps, is the recent discovery that compost applied to California rangelands and orchards is helping to pull carbon out of the atmosphere. Yet food waste, a primary feedstock for compost, continues to be the single biggest occupant of landfills in America and is a significant contributor to harmful methane emissions—a pollutant 28 times more toxic than carbon dioxide. Join us for a discussion about how, if scaled, zero waste efforts such as composting and food waste prevention could reverse climate change and help heal the planet.

Robert Haley. Zero Waste Program Manager, San Francisco Department of Environment
John Wick, Rancher; Co-Founder, Marin Carbon Project; Venture Philanthropist
Dana Gunners, Senior Scientist, Food and Agriculture Program at the Natural Resources Defense Council
Debbie Raphael, Director, San Francisco Department of Environment


Commonwealth SF Club Office - 595 Market Street, San Francisco CA
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