 The Goddard LiDAR, Hyperspectral and Thermal, GLEHT, Airborne Imaging System combines LiDAR, Optical and Thermal data to provide a unique platform for measuring plant species composition, biomass and carbon stocks, as well as plant growth. This system has been successfully deployed on multiple aircraft platforms and has been used to collect over 6,500 square kilometers of data for NASA-sponsored studies. This article was authored by Vong Lai, Paul M. Montesano, Kenneth J. Ranson and others.