ahlam1399
05-12-2017, 01:01 AM
Glaciers there are "an early indicator of the kinds of changes that are going to occur elsewhere," a scientist says. Since 1966, the glaciers in Glacier National Park shrunk an average of 39 percent.
أكثر... (http://www.npr.org/sections/thetwo-way/2017/05/11/527941678/disappearing-montana-glaciers-a-bellwether-of-melting-to-come?utm_medium=RSS&utm_campaign=news)
أكثر... (http://www.npr.org/sections/thetwo-way/2017/05/11/527941678/disappearing-montana-glaciers-a-bellwether-of-melting-to-come?utm_medium=RSS&utm_campaign=news)