Known as the California Delta, the estuary is among the state’s most important sources of water — and most consistent flashpoints over environmental protection. Donald Trump first saw the ...

The delta is the largest estuary on the West Coast and it supplies water for thousands of farms and an estimated 25 million Californians. Planners said the project would take more than a decade to ...

Delta smelt are tiny fish — most adults are less than 3 inches long — and nearly translucent, with a steely-blue sheen on their sides. As larvae, they start out eating microscopic food like ...