Environment Whales With a Dam Problem Orcas in the Pacific Northwest are struggling to boost their numbers. Could dams have something to do with it? Chelsey B. Coombs
Environment Dam Busting: A Concrete Victory for Fish, Jobs Dam busting has local economic benefits other than clearing the way for an endangered species or restoring a watershed. Enrique Gili
Environment Diving Deeper into Searsville The story of a California dam calls for a rethinking of the hows and the whens of restoration. Nick Wenner