"Native Americans from reservations hundreds of miles away from North Dakota have joined the Standing Rock Sioux Tribe’s growing protest against a $3.8 billion four-state oil pipeline that they say could disturb sacred sites and impact drinking water for 8,000 tribal members and millions further downstream."

"Wildlife agents authorized to eradicate a group of 11 wolves for repeated attacks on cattle in Washington state have hunted down and killed six animals from the condemned pack and are searching for the rest, a state game official said on Monday."

"U.S. EPA had an unwanted visitor almost five years ago."

"When President Barack Obama sets out this week to meet world leaders in China and Laos during his final presidential trip to Asia, he will make an unusual stop along the way."

"There are not one but two powerful hurricanes in the Pacific that could come "dangerously" close to Hawaii over the next few days, according to forecasters."

"One of the world’s smallest ethnic groups is finding its cultural traditions on the wrong side of Mongolian law, putting its very existence in peril."

"New England is running out of mussels. The Gulf of Maine's once strong population of wild blue mussels is disappearing, scientists say."

If a kid catches a big walleye on the St. Louis River estuary in Duluth, the state warns her not to eat it. Ever.

"At least seven people were treated and several communities evacuated Saturday following an early morning leak of extremely toxic chlorine gas from a Northern Panhandle chemical plant with a recent history of significant safety problems."

"The Iowa Utilities Board has approved a wind turbine operation it says will be the nation's largest wind energy project."