At Climate Summit, Hope for Emissions Deal美文欣赏
It'sknownas"theroofoftheworld,"fourthousandsevenhundredmetersabovesealevelliestheTibetanPlateau.ItsglaciersarethesourceofmanyofAsia’smostimportantrivers.Buttheiceismelting.Scientistssayifthatcont...