The AirData Web site gives you access to air pollution data for the entire United States. Want to know the highest ozone level measured in your state last year? Ever wonder where air pollution monitoring sites are located? Are there sources of air pollution in your town? You can find out here! AirData produces reports and maps of air pollution data based on criteria that you specify.

Use this site to learn about the science of climate change and its potential effects on our nation's wildlife and their habitats.

This site teaches kids about the importance of safe drinking water through teaching and learning resources such as an activity on how to build your own aquifer, experiments on the water treatment process, and the drinking water art project.

This is a place where kids can learn about the environment and the Environmental Protection Agency. It features plants and animals, air, water, people and the environment, recycling, and a clubhouse area containing art, a game room, a science room, and a trophy room listing the winners of the President's Environmental Youth Award.

This website is part of the Environmental Protection Agency's Gulf of Mexico Program. The program includes projects encompassing everything from improving septic systems to planting seagrass to protecting habitats. All projects aim to improve the ecological and economical health of the region. The site provides information about Gulf Coast geology as well as links to information about the Ice Age.

Activities offer students the opportunity to learn about multiple facets of waterbodies and pollution, including aquatic life (indicator species), local concerns, and public outreach through research, teamwork, and role-playing exercises.

This site helps students answer questions about pesticides and toxic chemicals used around the house. It explains how to read labels and what to do in case of an accident. An online home tour invites students to identify pesticides and toxic substances in a typical kitchen, garage, laundry room, bathroom, and bedroom.

This site, published by the EPA, discusses the sources of methane emissions, including landfills, coal mining, the oceans and livestock, among others.

Radiation is natural and all around us. It can be man-made too. But it's nothing new. It is, quite simply, part of our lives. RadTown USA is a virtual community showing a wide variety of radiation sources and uses as you may encounter them in everyday life. Explore this interactive, virtual community of houses, schools, laser light shows, construction equipment, flying planes, and moving trains. Each place in RadTown helps you learn about radiation sources or radiation- treated items you might find there.

Welcome to Recycle City! There's lots to do here - people and places to visit and plenty of ways to explore how the city's residents recycle, reduce, and reuse waste. To get started, just click on any section of Recycle City that you want to tour, or click on the Dumptown Game. You can create your own Recycle City scavenger hunt or go to the Activities area and see other ways you can explore Recycle City. When you leave this place, you'll know much more about what you can do to help protect the environment.

This EPA fact sheet provides easy-to-understand information about air pollution and how it affects human health. Topics include health risks, exposure assessment, dose-response relationships, risk assessment, and risk characterization. Simple diagrams and pictures support the text.

Ground water must be able to move through underground materials at rates fast enough to supply useful amounts of water to wells or springs in order for those materials to be classified as an aquifer. For water to move in an aquifer, some of the pores and fractures must be connected to each other. Water moves through different materials at different rates, faster through gravel, slower through sand, and even slower through clay. Gravels and sands are possible aquifers; clays usually are not aquifers. The following activity demonstrates how different sizes of rock materials that make up an aquifer affect water movement.

This EPA website provides instructions for using Secchi disks and transparency tubes to measure water clarity. The page also features a short description of each device.

The Water Sourcebooks contain 324 activities for grades K-12 divided into four sections: K-2, 3-5, 5-8, and 9-12. Each section is divided into five chapters: Introduction to Water, Drinking Water and Wastewater Treatment, Surface Water Resources, Ground Water Resources, and Wetlands and Coastal Waters. This environmental education program explains the water management cycle using a balanced approach showing how it affects all aspects of the environment. All activities contain hands-on investigations, fact sheets, reference materials, and a glossary of terms. Activities are organized by objectives, materials needed, background information, advance preparation, procedures, and resources.

This taste test will illustrate the differences between ground water and surface water, highlight some of the common contaminants in natural water, and encourage student thought on the sources of drinking water. This test should follow a class discussion on the possible sources of water for the community.