Delta smelt swim in a tank at the UC Davis Fish Conservation and Culture Lab on Tuesday, July 19, 2022, in Discovery Bay. The Delta smelt is a small, slender fish that only lives in the Delta. It’s ...

Air pollution is one of the major threats to biodiversity and habitat loss. From remote forests to cities, pollutants such as sulfates, ammonia, nitrogen oxides, acid rain, particulate matter, and ...

Ten of the state’s leading environmental nonprofit groups are joining forces for an Earth Day fundraiser, in hopes of raising money to protect the environment. The goal? Raise more than $250,000 to ...

Freshwater fish are declining across the world, and many people don’t realise how serious the problem has become. Rivers, lakes and wetlands that once held thriving fish populations are now struggling ...