- It'sknownas"theroofoftheworld,"fourthousandsevenhundredmetersabovesealevelliestheTibetanPlateau.ItsglaciersarethesourceofmanyofAsia’smostimportantrivers.Buttheiceismelting.Scientistssayifthatcontinuesatcurrentlevels,two-thirdsoftheplateau'sg...
- 4662