Orange County is California’s third-most populous region — home to Disneyland, famous surf beaches, and three active landfills. The American Lung Association gives Orange County and the Southern California Metropolitan area a failing grade for air quality, citing high ozone days and elevated particle pollution levels. For Tieu, rethinking waste can help address this challenge. New initiatives at OCWR’s landfills can drive down methane emissions, improve air quality, and deliver real community benefits.
As organic waste such as food scraps and yard clippings decomposes in landfills, it generates methane — a greenhouse gas with over 80 times the heat-trapping power of carbon dioxide in the short term. In California, landfills are the second-largest source of human-caused methane emissions, representing 22 percent of the state’s 2022 methane inventory. Airborne studies conducted by the California Air Resources Board — in partnership with Carbon Mapper and NASA’s Jet Propulsion Laboratory — have identified large methane plumes over dozens of California landfills.
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https://rmi.org/from-waste-to-wins-how-orange-countys-smart-landfills-are-slashing-methane/