National Geographic: Environmentalists and indigenous people across northern Canada are celebrating a historic legal victory that protects one of the world's last major pristine river systems. In a December 2 ruling, Yukon Supreme Court Justice Ron Veale ruled that the Canadian territory's government did not have the authority to override a land-use plan to preserve the bulk of the 26,000-square-mile (67,000-square-kilometer) Peel Watershed region.
A wildlife habitat of global importance, the northern Yukon wilderness...