Professor Davis has been a Member of the Expert Panel on Global Change Research Strategy for the Environmental Protection Agency, Member of the Data Management Advisory Panel of the National Oceanic and Atmospheric Administration, a contributor to the 1995 Report of the Intergovernmental Panel on Climate Change and has testified on global climate change before the House Science Committee.
Editor of Climate Research: Interactions of Climate with Organisms, Ecosystems, and Human Societies, he is past President of the Climatology Specialty Group of the Association of American Geographers and current Chair of the American Meteorological Societys Committee on Biometeorology and Aerobiology. His scholarly articles have appeared in the International Journal of Biometeorology, Environmental Health Perspectives, Climate Research, Geophysical Research Letters, Atmospheric Environment, American Journal of Enology and Viticulture, and International Journal of Climatology.