Nasa's GEDI on ISS utilizes lidar to study Earth's forests in 3D, providing insights into canopy height, vegetation density, climate change responses, carbon sequestration, and habitat changes for groundbreaking discoveries.Nasa's GEDI on ISS utilizes lidar to study Earth's forests in 3D, providing insights into canopy height, vegetation density, climate change responses, carbon sequestration, and habitat changes for groundbreaking discoveries.