ahlam1399
09-01-2016, 05:04 AM
The president warns that climate change can undermine decades-long conservation efforts. He spoke at an annual summit that brings people together to discuss how to keep Lake Tahoe blue.
أكثر... (http://www.npr.org/sections/thetwo-way/2016/08/31/492177267/obama-at-lake-tahoe-praises-conservation-efforts?utm_medium=RSS&utm_campaign=news)
أكثر... (http://www.npr.org/sections/thetwo-way/2016/08/31/492177267/obama-at-lake-tahoe-praises-conservation-efforts?utm_medium=RSS&utm_campaign=news)