1 00:00:00,990 --> 00:00:00,980 2 00:00:01,000 --> 00:00:05,240 NEW INSTRUMENT WILL MAP CARBON WORLDWIDE IN 3-D 3 00:00:05,260 --> 00:00:07,240 4 00:00:07,260 --> 00:00:11,780 In order to manage forests and mitigate climate change 5 00:00:11,800 --> 00:00:12,250 6 00:00:12,270 --> 00:00:20,690 scientists need to understand where our carbon is being taken up and where it is already stored. 7 00:00:20,710 --> 00:00:21,050 8 00:00:21,070 --> 00:00:27,340 So we are building a laser to measure trees from space. 9 00:00:27,360 --> 00:00:29,340 10 00:00:29,360 --> 00:00:35,970 The Global Ecosystem Dynamics Investigation (GEDI) instrument will spend two years on the ISS 11 00:00:35,990 --> 00:00:36,290 12 00:00:36,310 --> 00:00:44,830 using eight laser beams to measure every leaf, branch, tree trunk, and shrub in the ground path down on the surface. 13 00:00:44,850 --> 00:00:45,370 14 00:00:45,390 --> 00:00:49,090 Photons in the laser pulse ricochet back to GEDI 15 00:00:49,110 --> 00:00:54,370 providing an intricate 3-D map of forest canopies 16 00:00:54,390 --> 00:00:55,090 17 00:00:55,110 --> 00:01:03,230 Built by NASA and the University of Maryland, GEDI’s laser can peer inside even the densest tropical forests 18 00:01:03,250 --> 00:01:03,930 19 00:01:03,950 --> 00:01:08,930 letting scientists know how much carbon is stored in forests around the world. 20 00:01:08,950 --> 00:01:10,930 21 00:01:10,950 --> 00:01:18,292 [ beeping ]