An application of the principles of geology and chemistry to geological processes such as isotope fractionation, the carbonate cycle, weathering and formation of clays, hydrologic mobility and adsorption of heavy metals to clays and humic substances, groundwater plumes, atmospheric chemistry including the greenhouse effect, global warming and ozone destruction. Three lectures. Credits:3 Prerequisite:One year of college chemistry, ES 201 or ES 202 or consent of instructor