David J. Williams - Ozone Research: Personal website presents research concerning the meteorological transport of tropospheric (ground-level) ozone and its precursors.
HowStuffWorks: How Ozone Pollution Works: Illustrated tutorial examines what ozone is, how it is produced, what health hazards it poses, and what people can do to reduce ozone pollution.
NY Ozone Action Day Program: A public/private partnership to help reduce ozone pollution and smog in New York State.
Ozone Transport Commission: States working together to reduce ground-level ozone in the northeastern United States. Includes public education materials and technical reports.