ESE/Ge 148 a. Global Environmental Science: Climate Change. 9 units (3-0-6); first term. Prerequisites: Ch 1, Ma 2, Ph 2, or equivalents. Radiative transfer and the greenhouse effect. Scattering and absorption by gases, clouds, and aerosols. Feedbacks due to water vapor, clouds, ice, and vegetation. Chemistry of greenhouse gases. Climates of the past. Ice ages. The global-warming debate. Economic and political aspects of climate change.

ESE/Ge/Ch 171. Atmospheric Chemistry I.
9 units (3-0-6); third term. Prerequisite: Ch 1 or equivalent. A detailed course about chemical transformation in Earth's atmosphere. Kinetics, spectroscopy, and thermodynamics of gas- and aerosol-phase chemistry of the stratosphere and troposphere; sources, sinks, and lifetimes of trace atmospheric species; stratospheric ozone chemistry; oxidation mechanisms in the troposphere.

ESE/Ge/Ch 172. Atmospheric Chemistry II.
3 units (3-0-0); first term. Prerequisite: ESE/Ge/Ch 171 or equivalent. A lecture and discussion course about active research in atmospheric chemistry. Potential topics include halogen chemistry of the stratosphere and troposphere; aerosol formation in remote environments; coupling of dynamics and photochemistry; development and use of modern remote-sensing and in situ instrumentation. Given in alternate years; not offered 2006–07.