by Ingrid Lobet | inewsource
Methane, an invisible, powerful climate-change gas, is showing up in some unexpected places in San Diego as researchers conduct some of the first surveys in the county.
The research shines a light on how little is known about total emissions of the important gas.
Click on the interactive map to find levels of methane measured in the air by Chun-Ta Lai of San Diego State University.
We'll let you know when big things happen.