Calculation of pollutant concentrations using principles of materials balance; vertical variation of pressure and temperature in the atmosphere; atmospheric stability and the dispersal of air pollutants; water vapour and humidity; blackbody radiation and Earth's global energy balance; molecular absorption of electromagnetic radiation; the ozone problem; the radon problem. Prerequisites: PHYS 261, and MATH 101 or 115 or 118 or 136 or 146 or 156 or SCI 100. Offered alternate years only. Consult Department for course scheduling.