Salmon face extinction throughout the US west. Blame these four dams

Salmon are headed to a point of no return throughout the US west. And the impact on Native American communities could be devastatingKnee-deep in the rumbling waters of Rapid River in western Idaho, Mike Tuell guided his dip net between boulders and tree branches in search of the calm pockets where salmon rest.It was a Tuesday evening in May, and his first time out fishing this season. The spring-summer Chinook were just beginning their treacherous journey back to their natal spawning areas. Continue reading...