When Trees Fall, Landsat Maps Them (video) NASA/Goddard Space Flight Center Loading video... Caption Twelve years of global deforestation, wildfires, windstorms, insect infestations and more are captured in a new set of forest disturbance maps created from billions of pixels acquired by the Landsat 7 satellite. Credit Image Credit: NASA Goddard, based on data from Hansen et al., 2013. Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.