"California, Oregon and the federal government are working on a way around congressional barriers to the removal of hydroelectric dams on the Klamath River."

"U.S. lawmakers criticized environmental officials at a hearing on Wednesday for not acting sooner when they saw a report that drinking water in Flint, Michigan was polluted with dangerously high levels of lead."

"An industrial chemical is showing up in trout from the Great Lakes. It’s called perfluoro-1-butane sulfonamide, or FBSA."

"This morning, the U.S. House Oversight and Government Reform committee will hold the first Congressional hearing in Washington on the Flint water crisis."

"Only 3 percent of the juveniles of an endangered salmon species survived the drought along the Sacramento River in 2015 despite extraordinary efforts by federal and state officials to save them, federal officials said Monday."

"Over the past 35 years, the population of right whales in the North Atlantic Ocean has not expanded nearly as much as scientific understanding of the endangered species."

"The FBI is now investigating the contamination of Flint’s drinking water, a man-made public health catastrophe, which has left an unknown number of Flint children and other residents poisoned by lead and resulted in state and federal emergency declarations."

"Could the current strong El Niño help soak the National Football League's 50th Super Bowl next Sunday?"

"Is this where North Pacific humpback whales practice their songs?"