tracking forestry changes

Since January 1, 2000, more than 4.3 million scenes have been captured by Landsat satellites and made available to the public. Graph by Joshua Stevens, using data collected from the U.S. Geological Survey acquisitions archive.

Cloud Computing Used to Analyze Landsat Imagery and Detect Deforestation

Landsat, NASA’s longest running initiative for the acquisition of Earth imagery, has generated nearly 50 trillion pixels of data by capturing one image per season, of every place on Earth, for the past 43 years, providing a treasure trove of data for researchers.