"Drive just an hour and half north of San Francisco and you're in Drakes Estero, or estuary, named for the first English explorer to lay claim to California."

"Federal officials on Tuesday announced major changes in advice to pregnant and breastfeeding women by recommending consumption of at least 8 ounces of low-mercury fish per week."

"A new study suggests steelhead trout can have trouble using the Earth’s magnetic field to navigate if they were raised in a hatchery, where the field can be distorted by iron pipes."

"This short documentary profiles residents of the Isle de Jean Charles in Louisiana, as they confront a future threatened by sinking shorelines and rising seas.""

"Twenty-three Alaskan tribesmen broke the law when they overfished king salmon, but they claim their faith gave them no other choice."

"The summer flounder – one of the most sought-after catches on the U.S. East Coast – is stirring up a climate change battle as it glides through the sand and grasses at the bottom of a warming North Atlantic."

"HOPEDALE, La. — A partnership among a business, the state and a nonprofit conservation organization is helping protect a part of St. Bernard Parish’s shoreline through the construction of an oyster reef."

"Many parts of the U.S. have been getting warmer over the past several decades, and also experiencing persistent drought. Wildlife often can't adjust. Among the species that are struggling is one of the American West's most highly prized fish — the cutthroat trout."

"Officials at an environment commission established under the North American free-trade agreement are calling for an investigation into whether Canada is enforcing pollution laws around salmon farms in British Columbia."