Earth Day is a worldwide celebration held annually on April 22nd. The purposes of Earth Day, the history of and the various activities held around the world are described. Activities and projects that can be done daily or year round are...

This map shows current air quality index. Select a region on map to view an animation of ozone levels at different times throughout the day. Very interesting.

A detailed overview of the ground-level ozone, tropospheric ozone, with explanations about how it is called the bad ozone and how it varies day to day. All information is reinforced through pictures, graphs, and learning activities....

Easy to read and understand site from Environmental Education for Kids. Good and bad ozone explained and illustrated. Complete with glossary and Quizzler at the end.

In this activity, you will monitor the levels of ozone in Trenton, New Jersey for several days and make final decisions about the influence of weather on ground level ozone.

Trace the advance of the environmental movement from 1948 through the 1980s. Read about the legislation promoting a healthy environment passed under both Democratic and Republican presidents.

Welcome to Planet Ark's daily Reuters World Environment News - the most comprehensive source of environmental news on the Net. To read previous news stories, please use the search engine below to find stories relating to any...