1900 Air Pollution

http://www.teachersdomain.org/9-12/sci/life/eco/graphairgas/index.html

This graph,from the Web site accompanying the FRONTLINE NOVA special What's Up with the Weather?, reveals how atmospheric carbon dioxide, methane, and nitrous oxides from coal- and oil-burning power plants, cars, and other fossil-fuel-burning sources have climbed along with the world population, with as yet unknown effects on the climate system.

Resource Type: Dataset - List/Table, Instructional Material - Instructor Guide/Manual, Audio/Visual - Graph
Grade Level: 1, 2, 3, 4, 5, 6