As a man changed the Earth



Satellite images show how technological progress has changed the face of the Earth in just a few decades. All photos were taken by satellites, which are included in the program «Landsat». July 23 this program celebrates its 40th anniversary. The program, jointly managed by NASA and the US Geological Survey aims to systematically collect data on our planet. Starting from July 23, 1972, under this program shall be observed with sputnikov.

A photograph taken from a satellite in 1987, on this part of Saudi Arabia can only be seen vast desert. But by 2012, the majority of the region turned into farmland, similar to the green dots on the barren zemlyah.

Photographs taken in 1973, 1987, 1999, 2004, 2007 and 2009, shows how disappearing Aral Sea between Kazakhstan and Uzbekistan. Once one of the largest lakes on Earth was destroyed by Soviet projects orosheniyu.

Back in 1990 the coast of Dubai remained virtually untouched by man, but after some 16 years, this area has changed neuznavaemosti.

At this point in the orbit of the satellite is called the Landsat 7, he left the land 13 years ago. To replace him in January 2013 is scheduled to launch another satellite. In 1984, Brazil had just begun work on the construction of the dam Samuel, situated on the river in Rondônia Jamar. The second picture taken in 2011, shows how affected by the presence of the dam and reservoir on the surrounding lesa.

The photograph in 1992 in China Binhai area is sparsely populated, swampy area. But by 2012 the area became a developed economic zonu.

Shenzhen, China, in 1999 and 2008, godah.

Infrared images in 1975, 1992 and 2000, showing deforestation in the region of Santa Cruz de la Sierra in Bolivii.

Extraction of shrimp in the Gulf of Fonseca, Central America in 1985, 1999 and 2011, godah.

Santiago, Chile, in 1985 and 2010.

Columbia Glacier, Alaska, 1986, 2000 and 2011, god.

Morocco in 1985 and 2011.

City of Tucson, Arizona, USA, in 1984 and 2011, godah.

Jakarta, Indonesia, in 1976, 1989 and 2004, godah.

Great Salt Lake, USA, in 1985 and 2010, godah.

Caspian Sea in 1972, 1987 and 2010.

Source: daypic.ru/space/142018