As a youngster, Barry McCovey Jr. would sneak through metal gates and hide from security guards just to catch a steelhead trout in Blue Creek amid northwestern California redwoods.

As conservationists know, these clever dam-building rodents are a boon to recovering wetlands. But they can also contribute to flooding that causes catastrophic damage to acequias, which are crucial ...

It was one of the largest, longest and most lethal harmful algae blooms in Southern California’s recorded history, claiming the lives of hundreds of dolphins and sea lions between Baja California and ...