The U.S. EPA has proposed limitations to protect a highly valuable salmon fishery in Bristol Bay, Alaska, according to WaterWorld. The fishery is under threat, officials say, by a large-scale mining effort at the Pebble deposit there.
Sport fish in New York’s Onondaga Lake contain less mercury than they did in 2008, but still too much for human consumption, according to syracuse.com. The levels, scientists say, have gone down by half in fillets of...