'Coastal squeeze:' Massive loss of U.S. coastline tidal flats over 31 years

A statewide survey of California's bumblebees hopes to help conserve them — NPR's Ailsa Chang searches coastal California for wild bumblebees with conservation biologist Leif Richardson, one of the leaders of the California Bumble Bee Atlas.

Scientists Discover That Coastal Ecosystems Are a Net Greenhouse Gas Sink

Coastal Phytoplankton on the Rise