"For years, public health experts have warned against eating certain kinds of fish, including tuna, that tend to accumulate mercury. Still, tuna consumption provides more mercury to U.S. consumers than any other source. But recently, as industry cuts down on its mercury emissions, research has found mercury concentrations in some fish are dropping."

"Protests. Hunger strikes. Sit-ins that disrupt construction. At the immense Muskrat Falls hydroelectric dam project in a remote and rugged part of Labrador, the indigenous people who live nearby have been raising louder and louder alarms. But it is not about the dam itself. The controversy is over what will flow from it."

"Anglers, activists contend pollution, temperature in discharge hurt fish".

"U.S. fisheries managers have unveiled a plan seeking to restore dwindling runs of salmon and trout that migrate 900 miles up the Snake River from the Pacific to spawning grounds in Idaho while leaving intact their greatest barrier - four hydropower dams."

"Bycatch is now the No. 1 killer of cetaceans. Some say the IWC, one of the oldest international environmental organizations in history, hasn’t kept pace."

"To stake its claim in the strategic South China Sea, China is building airstrips, ports, and other facilities on disputed islands and reefs. Scientists say the activities are destroying key coral reef ecosystems and will heighten the risks of a fisheries collapse in the region."

"California should leave more water in the state's most vital river delta to save crashing populations of native fish, state regulators said Wednesday in findings that could cut the amounts that cities and farms can take from the Sacramento and San Joaquin waterways."

"U.S. government agencies plan to push ahead with a $57 million dam and fish bypass on Montana's Yellowstone River despite concerns among scientists that it won't meet its goal of helping an ancient fish species, officials said Monday."

"Shark-fishing houses are banding together to fight a bipartisan bill that would ban the trade of shark fins."

"Evidence of what scientists are calling the planet’s Sixth Mass Extinction is appearing in San Francisco Bay and its estuary, the largest on the Pacific Coast of North and South America, according to a major new study."