http://www.scientificamerican.com/article/satellite-laser-will-map-forests-in-3-d/
http://www.businessinsider.com/nasa-gedi-will-image-the-worlds-forests-in-3d-2015-3
http://lidarradar.jpl.nasa.gov
http://www.nasa.gov/content/goddard/new-nasa-probe-will-study-earth-s-forests-in-3-d/#.V49-AU4aVJ8
http://www.space.com/27795-space-lasers-3d-forest-map.html
