NASA Mountaintop Sensor Finds High Methane over LA
Pasadena CA (JPL) Jan 14, 2015
A NASA study using two years of observations from a novel mountaintop instrument finds that Los Angeles’ annual emissions of methane, an important greenhouse gas, are 18 to 61 percent higher than widely used estimates. The study is the first to demonstrate the feasibility of long-term mapping of greenhouse gases across an urban area from an elevated – but still earthbound – site.
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