Earth Then and Now: Global Warming in Pictures

If you compare some of the photographs which can be found on NASA’s website, you can really see how human beings have changed the appearance of our world over the years. The time difference between these following images ranges from five to 100 years.

1. Pedersen Glacier, Alaska. Summer, 1917 — summer, 2005

2. Lake Oroville, California. July, 2010 — August, 2016

3. McCarty Glacier, Alaska. July, 1909 — August, 2004

4. Muir Glacier, Alaska. August, 1941 — August, 2004.

5. Bolivia’s Chacaltaya Glacier

6. Kyetrak Glacier, Himalayas