"On the last weekend in April, Tyler A. Frantz, an elementary school teacher from Annville, Pennsylvania, drove about an hour into the Pocono Mountains to learn more about trout, an animal that tells the story of two energy booms in his state’s history."

"Bowing to public pressure, the [Washington] Department of Ecology and a growers association have agreed to cancel a recently issued permit for the use of a controversial pesticide to treat oyster beds, the DOE said Sunday."

"Conservationists on Tuesday called for new safeguards for gray whales and humpbacks after a record number of the federally protected mammals got entangled in fishing gear in coastal waters off California, Oregon and Washington."

"KIEV -- Emergency services were battling on Tuesday to prevent Ukraine's largest forest fire since 1992 from spreading towards the abandoned Chernobyl nuclear power plant, Prime Minister Arseny Yatseniuk said."

"For the second straight year, a harsh winter killed more than a quarter of adult blue crabs in the Chesapeake Bay."

"MEXICO CITY — President Enrique Peña Nieto and his top military commanders flew to a modest fishing village in Mexico’s far northwest on Thursday and made a promise to protect a small porpoise called the vaquita that is on the edge of extinction."

"Although contaminants buried in the sediments of Green Bay may be out of sight, they should not be out mind, according to research published last month in the Journal of Great Lakes Research. Two invasive species – the quagga mussel and round goby – can allow a group of toxic chemicals deposited more than 45 years ago to reenter the food web, passing them to predatory fish and possibly people."

"After more than a decade of delays, the government is moving toward allowing the sale of U.S.-raised organic fish and shellfish. But don't expect it in the grocery store anytime soon."

"Environmentalists seeking to curb the deaths of an estimated 53,000 sea turtles each year from getting caught in commercial shrimp nets off the southeastern United States sued federal regulators on Wednesday for stronger protections."

"The sardine population along the West Coast has collapsed due to changing ocean conditions and other factors, including allegations of overfishing, prompting regulators Monday to cancel fishing next season and schedule a vote this week on an immediate emergency ban."