Durango Herald: The American mountain goat has been called the greatest mountaineer the peaks ever have known, but now that high altitudes are warming at a rate two to three times faster than the rest of the planet the animals future is less than certain.
Bruce Smith, a wildlife biologist and author, spent three years studying the mountain goat and its habitat. He said the changing climate is also changing the rules of the game for animals that live on what he calls islands in the sky.
They come down...