Ozone

A report by 45 leading researchers makes the case that climate change is not only the gravest threat we face, but also our best chance to unite around the twin goals of sustainable growth and cutting carbon emissions.

The EPA—prompted by an Earthjustice lawsuit—is considering stronger rules to keep coal-burning power plants from polluting our rivers, lakes and streams.

The South Coast air district used updated risk data to better protect children from toxic air pollutants, while the San Joaquin Valley air district used that same data to double the acceptable cancer risk threshold for industry.