Jason Neff is an Associate Professor in the Environmental Studies program at CU Boulder where he also directs the undergraduate program in Environmental Studies. His research area is in biogeochemistry with a focus on a diverse array of subjects ranging from studies of the carbon cycle to atmospheric mineral aerosols. Through all these areas, Neff’s primary interest is in how human activities influence the movement of nutrients and material through the Earth System and the impacts of changing biogeochemical cycles on both natural ecosystems and human society. He has served in a wide variety of roles at the University of Colorado and nationally and has authored over 80 scientific publications and a forthcoming introductory environmental science digital text titled ‘A Changing Planet: the Science of Sustainability’. Neff speaks frequently to the media and public on the topic of land use change and dust storms in the deserts of the western US and has served on advisory panels for a wide variety of organizations including the US DOE, NASA, NSF, NCEAS, and other international science agencies. Professor Neff received his BA in Biology from The University of Colorado at Boulder (1993) and a Ph.D. in Biology from Stanford University (1999).