Associated Press: Facing the combined pressures of habitat loss, hunters and climate change, 600 grizzly bears in and around Yellowstone National Park are going back on the threatened species list under a federal court order issued Monday. The ruling highlighted climate change’s devastation to whitebark pine forests, which produce nuts that some grizzlies rely upon as a mainstay. With hundreds of thousands of the trees dead or dying over the last two decades, bears striking out in search of new …