Oregonian: The report released by the Obama administration this week about the potential impacts of climate change (PDF) touches on one species of particular interest to the Northwest: salmon. “Salmon are under threat from a variety of human activities, but global warming is a growing source of stress,” the 196-page report says on page 87. The report goes on to explain how warmer temperatures could lead to heavier floods that flush salmon eggs from stream beds; increase fish’s metabolism, …