PARKS: Drought, higher temperatures have widespread impacts on Yellowstone -- report Elizabeth Harball, E&E reporter Published: Thursday, December 12, 2013 The ripple effects of warmer, drier conditions are already apparent at one of America's most iconic national parks. Please subscribe to ClimateWire to read the full story. Username: Password: Forgot your access codes? Recover them. Not a subscriber? Sign up for a trial. Ready to subscribe? Click here.