Directions for doing a simple simulation that shows how pollution spreads through groundwater sources.

Take an interactive quiz over ecological problems affecting the environment. After completing the quiz, check your score, and then revisit any incorrect question for further review.

Discover what experts view as the top weather related events of the 20th century, get background information on them and see photos. Some of the events covered are the Galveston Hurricane of 1900, the 1930s Dust Bowl, Hurricanes Camille...

This US Geological Survey site briefly discusses the basics of why pesticides are increasingly found in our ground water. Click Home to access the site in Spanish.

Looks at ways plants and animals, including humans, can impact the environment in this learning module.

Learn about the importance of water quality and environmental influences that reduce it.

Tad the Tadpole is designed to demonstrate how pollution in various areas affects wildlife in their native habitats. The lesson is designed to stress the importance of conservation for animals and their surrounding environment. Upon...

Learn how your lungs help you breathe by making a model of the way your lungs work using a clear plastic bottle, scissors, and two medium-sized balloons.

Discover what causes allergy and asthma attacks and what you can do to prevent them.

Discover why water is so important, especially clean water. Find out where water comes from and how we can make it safe to drink and free from pollution.

This site focuses on water and air pollution in Australia, with a brief mention of sea breezes.

In this classroom activity, students discuss how people and pollution affect the environment. Then they demonstrate ways to recycle, reduce, and reuse.

This article discusses how the United States is to blame for much of the world's pollution, along with some possible steps that could be taken by the government to reduce this.