Los Angeles launched an ambitious sustainability plan that zeroes in on economic and equality issues. The "pLAn" calls for less reliance on imported water, improved air quality and much lower greenhouse gas emissions. See how the mayor intends to make it all happen.
A pilot using Google Street View cars equipped with methane sensing technology pinpointed natural gas leaks under Boston, Indianapolis and New York City's Staten Island. Click to learn more about the EDF-Google Earth project and how your city can participate.