California landfills are belching high levels of climate-warming methane
Airborne remote sensing spots the Golden State’s biggest emitters of the gas from the sky
![landfill](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/11/110719_cg_methane_feat.jpg?fit=1028%2C579&ssl=1)
A new airborne remote sensing technique found that landfills top the list of California’s superemitters of methane, a potent greenhouse gas.
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