Earth Then and Now: how to change our planet, NASA pictures

• The land then and now: how to change our planet, NASA pictures

If we compare the century-old images found in the archives of NASA, with those that have been made recently, then you'll get a picture of human activity and its impact on our planet in all its glory. Some of the photos that we offer you today, shared by only 100 years - but the difference is obvious.

Earth Then and Now: how to change our planet, NASA pictures

Pederson Glacier, Alaska. Summer 1917 - Summer 2005

Earth Then and Now: how to change our planet, NASA pictures

The Aral Sea, Central Asia. August 2000 - August 2014

Earth Then and Now: how to change our planet, NASA pictures

Carroll Glacier, Alaska. August 1906 - September 2003

Earth Then and Now: how to change our planet, NASA pictures

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

Earth Then and Now: how to change our planet, NASA pictures

The Bear Glacier, Alaska, July 1909 - August 2005

Earth Then and Now: how to change our planet, NASA pictures

The forests in Rondônia, Brazil. June 1975 - August 2009

Earth Then and Now: how to change our planet, NASA pictures

Glacier McCarthy, Alaska. July 1909 - August 2004

Earth Then and Now: how to change our planet, NASA pictures

The River Dasht, Pakistan. Built Mirani dam supplies drinking water to the surrounding areas and energy. In addition, it supports local agriculture. August 1999 - June 2011

Earth Then and Now: how to change our planet, NASA pictures

Matterhorn - peak in the Pennine Alps on the border of Switzerland and the canton of Valais, and Italy, in the province of Valle d'Aosta.

August 1960 - August 2005

Earth Then and Now: how to change our planet, NASA pictures

Mabira Forest, Uganda. November 2001 - January 2006

Earth Then and Now: how to change our planet, NASA pictures

Toboggan Glacier. June 1909 - September 2000

Earth Then and Now: how to change our planet, NASA pictures

The Great Man-Made River, Libya. This grand engineering project in the world, a system of pipes, aqueducts and wells at a depth of over 500 meters. A complex network of water mains supplying water desert areas. April 1987 - April 2010

Earth Then and Now: how to change our planet, NASA pictures

Glacier Corey Calis, Peru. July 1978 - July 2011

Earth Then and Now: how to change our planet, NASA pictures

Lake Mar Chiquita, Argentina. July 1998 - September 2011

Earth Then and Now: how to change our planet, NASA pictures

Muir Glacier, Alaska. August 1941 - August 2004

Earth Then and Now: how to change our planet, NASA pictures

But Uruguay was able to increase its forest area from 45 hectares to 900 thousand. However, it has decreased the diversity of animals and plants. March 1975 - February 2009