"Crisis-weary developed countries' reluctance to help finance a ground-breaking international treaty to rein in the use of health-hazardous mercury is threatening the accord, UN officials warned Thursday."

"The Pacific bluefin tuna, fished relentlessly for decades, is in trouble."

"Chesapeake Bay oysters are being resurrected from the dead. Blue crabs are roaring back. And after taking a huge blow from the monster storm called Sandy, the weakened bay proved in the fall that it could right itself and come back looking fresh."

"With fishery regulators poised to impose devastating cuts Thursday on the New England fleet, blame for the disappearance of once-abundant cod and flounder populations is shifting from fishermen to a new culprit: the changing ocean."

"After 25 years, the U.S. Fish and Wildlife Service decided to end its program of relocating the mammals, calling the effort a failure. Fishermen complain."

Many anglers who pull fish out of the Anacostia River near Washington, DC, eat them despire health warnings.

"The marine conservation group Sea Shepherd has scored a propaganda victory over Japan after it emerged it had bought its newest anti-whaling vessel from the Japanese government, apparently without its knowledge."

"Fish is frequently misidentified on menus and grocery store counters in New York City, even at expensive restaurants and specialty shops, DNA testing for a new study found. National supermarket chains had the best record for accuracy in seafood labeling, the researchers reported."

"CHICAGO — A federal judge Monday threw out a lawsuit filed by five states that want barriers placed in Chicago-area waterways to prevent Asian carp from invading the Great Lakes, but said he would consider new arguments if the case were filed again."