With the rise of high resolution satellites, it is becoming increasingly possible to use remote sensing in the field of conservation. High resolution imagery can be used to track deforestation, habitat change, illegal activities, and wildlife population change.

Free satellite imagery to help migrating birds survive from Alaska and Canada to Central and South America

Figure: Landsat-7 image (courtesy of USGS/NASA) showing wetlands in the northern Central Valley, California. There is a growing quantity of free imagery that can be extremely useful, for example in environmental projects. One such project, called BirdReturns, is using Landsat free satellite imagery to help migrating birds survive, supported by citizen science and conservation groups, […]