Once a month the Chronicle picks a nonprofit, often a little-known one, tackling a problem in an unusual way and puts a spotlight on its work with compelling visuals. Here are some of the ones that ...

A controversial oilfield wastewater disposal operation east of Bakersfield has been shut down amid a years-long regulatory crackdown and opposition by environmental activist ...

Given the ever-present and increasing threat climate change poses to all Californians, and the role tropical deforestation plays in escalating that threat, Assemblymember Ash Kalra (D-San Jose), along ...