As governments begin to consider regulation of greenhouse gases, many are turning to market-based initiatives. Such programs assign emitters a certain share of emissions, and allow them to trade for emissions rights in...

This site provides a very fine selection of short movies on their website. These short films are designed for the general public, and they deal with such topics as air quality control, how ozone is formed, and a special...

This working paper, created by Denny A. Ellerman of the Massachusetts Institute of Technology, explores the consequences of cap-and-trade policies, where the total air pollutant emissions of a whole set of polluters are...

The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) is an international organization that strives to "serve humanity and promote a sustainable world through research... publishing and...

Areas of the country where air pollution levels persistently exceed the national ambient air quality standards may be designated "nonattainment." This site offers information and maps regarding regions of the country...