Environmental Science
a year ago

Los Angeles leads the way in slashing methane emissions by 5.8% annually.

Nature Communications
Decadal decrease in Los Angeles methane emissions is much smaller than bottom-up estimates
Zhao‐Cheng Zeng, Thomas J. Pongetti, Sally Newman, Tomohiro Oda, K. R. Gurney, Paul I. Palmer, Yuk L. Yung, Stanley P. Sander

Paper Summary

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Methane emissions in Los Angeles decreased by about 1.57% per year from 2011 to 2020, according to atmospheric remote sensing data. However, calculations by natural gas utilities suggest a larger decrease of 5.8% per year. This discrepancy shows uncertainties in estimating emission reductions. LA's actions could serve as a model for reducing methane emissions globally.