Have you been wondering how to use that natural trail at or near your school? This activity gets kids outside with a purpose: learn about ecological succession through field observations and collecting seed and soil samples. The resource...

Students do research to learn about West Nile Virus, the birds that carry it, how it spreads, where it can be found in North America, and how it affects humans. The activity is set up as a WebQuest where students navigate to assigned...

Home page of the Save Our Seas Organization which seeks to protect all the oceans of the world.

Market-based regulatory programs designed by the EPA, with information for consumers and industry cap-and-trade policies, Clean Air Act, and other government-sponsored efforts to reduce air pollution.

[Free Registration/Login may be required to access all resource tools.] Water pollutants can have an effect on both the ecology of ecosystems and on humans. As a result of water pollution, humans may not be able to use a waterway for...

Very comprehensive, easily indexed site on the technical, ecological, and physiological effects of aviation noise.

in this lesson plan students conduct an experiment to find out how acid rain can harm plants.

Many different kinds of organisms live in water. Excess nutrients can cause over-abundant growth of some organisms living in water and non-point source pollution is a major threat to water supplies in the United States. In this activity...

This U.S. Geological Survey website offers a short article then lists topics that are linked to brief articles that describe that particular topic's effect on water quality in urban areas. Click Home to access the site in Spanish.

This site has a user guided story about a bog that has been a secret dumping ground for waste.

This lesson plan helps students understand the factors that affect water quality and the conditions that allow for different animals and plants to survive. Students will look at the effects of water quality on various water-related...

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.

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

This concise article looks at the definition of sewage and the cost of treating waste water.

A natural and less expensive approach to sewage treatment is discussed in this article about a California city that uses an artificial wetlands waste treatment plant.