The course includes the following major topics: (1) Chemical and climatic evolution of the atmospheres of Earth, Mars, and Venus; (2) Chemical composition and structure of the atmosphere; (3) Greenhouse gases and how do they relate to the biosphere and geosphere; (4) Sulfur species in the atmosphere, aerosols, Asian dust storms, acid deposition, and radiative effects of aerosols; (5) Long-range transport of air pollutants in East Asia; (6) Stratospheric ozone and the ozone hole; (7) Tropospheric ozone; (8) Urban and regional oxidants