physical chemistry, climate, air pollution, atmospheric chemistry, environmental chemistry, analytical chemistry, ozone, nitrogen oxides, CO2, clouds

continuum mechanics, climate, geomorphology, glaciers, glaciology, climate history, stable isotopes, geographical thought

climate, geography, terrestrial-atmosphere exchange of trace gases, atmospheric chemistry and composition, coastal salt marsh, chaparral, desert, tundra, boreal forest, grassland, hydrocarbon, biogenic volatile organic compounds, soils, halocarbon, methyl bromide, methyl chloride, methyl iodide, chloroform, methane, carbon monoxide, molecular hydrogen, Brassica, relaxed eddy accumulation techniques, air pollution, snow, Sierra Nevada, copper, agriculture, gas chromatography, mass spectrometry, stable isotopes, earth system science, biogeochemistry, stratospheric ozone

climate, atmosphere, atmospheric science, weather, clouds, fluid dynamics

energy, taxation, tax policy, climate, transportation, fuel economy