This website describes a satellite instrument designed by the Jet Propulsion Lab that will fly aboard NASA's Aura spacecraft in June 2004 and will study Earth's troposphere and ozone. The website provides links to...

In this activity, students will analyze their nitrogen oxide emissions from all sources (including coal-fired power plants, natural gas combustion, gas-powered lawnmowers, etc.) and combine them with vehicle emissions...

NOAA's Air Resource Laboratory (ARL) provides interactive transport and dispersion modeling at this website. Users can find instructions, trial versions, and a download for the Hybrid Single-Particle Lagrangian...

Discussion of holes in the stratospheric ozone layer usually revolves around investigations of the thickness of the layer near the South Pole. This online activity allows users to study the thickness of the ozone layer...

This exercise is intended to reinforce the importance of Earth's atmosphere to living organisms. Topics include our bodies' interactions with the atmosphere; its composition and structure; and natural changes in the...