Robert Root Image Robert Root Research Assistant Professor, Environmental Science Area(s) of Expertise Biogeochemistry Pharmacology & Toxicology Rainwater Harvesting 520-626-1307 rroot@arizona.edu
David Walker Image David Walker Assistant Research Scientist, Environmental Science Area(s) of Expertise Arid Lands Climatology/Climate Change Ecohydrology Ecology - Aquatic Ecology - Conservation Ecology - Plant and Soil Ecology - Watershed Economics - Natural Resources and Water Environmental Risk Assessment/Exposure Science Hydrology – Surface Hydrology – Watershed Pharmacology & Toxicology Public Health Science and Society Transboundary Water Wastewater Treatment/Reuse/Reclamation Water and Wastewater Treatment Water Conservation, Supply, and Demand Water Quality 520-275-7110 dwalker@email.arizona.edu
