This geologic colossus—the highest and largest plateau on the planet, ringed by its tallest mountains—covers an area greater than western Europe, at an average altitude of more than two miles.

Their dun coats were a perfect camouflage against the somber brown flanks of the plateau. They were munching on grass, but the largest female—perhaps 110 pounds (50 kilograms), with short, ...

A new IEA report finds that strong deployment of renewables is set to curb growth in coal use even as electricity demand ...