The Yellowstone River is the longest undammed river in the West, but Montana's rapid growth is affecting it, as property owners afraid of floods lay huge amounts of riprap along its banks.
Oregon Gov. John Kitzhaber becomes the first major political figure in the Northwest to back breaching of four Snake River dams to help endangered salmon.
The Glen Canyon Action Network plans a Restoration Celebration and Rendezvous at Utah's Glen Canyon Dam.
Both sides are surprised when dam-breaching supporters outnumber opponents at public meetings over breaching four Snake River dams to save salmon.
Michael Collier's new book, "Water, Earth and Sky: The Colorado River Basin," combines his beautiful aerial photos of a remarkable landscape with well-chosen words.
The Natural Resource Conservation Service wants to identify South Dakota wetlands by a September fly-over, but environmentalists say the timing of the survey will leave out wetlands not visible from the air at that dry time of year.
Environmentalists, scientists, Indian tribes and other locals are appalled by the Army Corps of Engineers' plan to dredge the Columbia River so bigger strips can move between the Columbia River Estuary and Portland.
Historian Keith Petersen talks about how Columbia and Snake River dams have made the Pacific Northwest what it is today.