Wavelengths host Vicki Chandler, Ph.D., Chief Program Officer for the Gordon and Betty Moore Foundation, explores ways people are actively involved in protecting the environment. First, we visit a unique high school class where Tucson High School science teacher Margaret Wilch inspires students who may one day solve some of the world’s problems. Next, Jonathan Overpeck, Ph.D., Co-Director for The Institute for Environment and Society explains the effects of climate change on glaciers, specifically in the Patagonia Region of Argentina. Then Cecil Schwalbe, Ph.D., an ecologist with the U.S. Geological Survey, discusses what is happening to the popular Desert Tortoise. Lastly, we visit the University of Arizona campus where Alfred McKewen, Ph.D., UA principle investigator of HiRise, NASA’s orbiting camera, talks about the camera which has captured detailed images of the Martian surface.