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People Cause Most U.S. Wildfires

An analysis of 1.6 million wildfires found that most of them were caused by human activity.


NASA Earth Observatory map (top) by Joshua Stevens, using fire data courtesy of Balch, J. et al. (2017). NASA Earth Observatory image (bottom) by Jesse Allen, using data from the Level 1 and Atmospheres Active Distribution System (LAADS). Caption by Adam Voiland.

Published March 7, 2017
Data acquired November 12, 2016

Sources:
Aqua > MODIS
In situ Measurement
Terra > MODIS