Helps developing countries fund projects and programs that protect the environment; active in the areas of biodivesity, climate change, international waters, land degradation, ozone protection, persistent organic...

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...

This exercise, from the Environmental Science Activities for the 21st Century Project, is designed to introduce students to the idea that human activities can alter the chemistry or gaseous composition of the atmosphere,...

In this activity, students investigate the effects of automobile pollution on plant growth by making measurements on two populations of leaves, one from within 10 meters of a busy road and a population of the same...

This radio broadcast deals with the potential effects of climate change on air pollution, particularly the 'smog' that develops in the summer in the Northeast and Midwest. A research chemist discusses her work in this...