Dramatic Changes in Our Planet Revealed by Incredible Images of NASA

Oroville Lake, California. July, 2010 - August, 2016.

Lake Powell, Arizona and Utah. March, 1999 - May, 2014.

Glacier Pedersen, Alaska. Summer, 1917 - summer, 2005.

McCarty Glacier, Alaska. July, 1909 - August, 2004