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,...

During the International Polar Year, which started in March 2007 and ran through March 2009, a team of thousands of scientists from 60 nations will be examining a wide range of physical, biological, and social research...

The Center for Ozone Data and Information was developed by NASA to provide support services for the ozone research community. Users can find materials, data, and links on many satellite, shuttle, ground-based, and other...

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...

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...