Find out about the six major air pollutants. In-depth descriptions of ozone, nitrogen dioxide, particulates, sulfur dioxide, carbon monoxide, and lead are provided.

This 1972 EPA press release described the first actions that would be made under the Noise Control Act of 1972.

Retrieve information from multiple sources of Envirofacts' System Data for your area of interest. using zip code, city, or county information.

Using zip codes, this site allows students to locate businesses in their communities that are producing wastes.

This EPA website has links to many science topics about which the Environmental Protection Agency has concerns.

Understand the process that must occur to create carbon dioxide. What is the role of carbon dioxide in our atmosphere? A video illustrating the carbon cycle is available.

Students construct a Global Warming Wheel Card, a hand-held tool that they can use to estimate their household's emissions of carbon dioxide and learn how they can reduce them.

Earth's atmosphere contains greenhouse gases. Find out what these gases are and where they come from. Also link to other information about how greenhouse gases contribute to climate change.

A complete history of the U.S. Environmental Protection Agency including a timeline, publications, biographies of administrators, origins of the Agency, and photographs.

Explains what hypoxia is, its causes, the sources, why it is important to reduce it, and where it occurs around the world. Includes a diagram showing how hypoxia develops in a water body and links to lots of additional resources.

This official site for the EPA describes the issues of the day. Learn about topics such as water, air, climate, wastes and pollution, green living, and more. Find important ways that you can get involved in protecting the environment.

This website defines and explains indoor air pollution in all its forms. Content includes a focus on asthma, molds, secondhand smoke, and radon in public buildings and at home.

This site is loaded with information on solid waste and hazardous waste. It includes industries' effects on the environment, waste programs, treatment, control, pollution prevention, recycling, and cleanup programs.

The EPA provides many ideas for integrating green infrastructures into communities. This site also discusses how this can build climate resilience and offers resources for doing a cost-benefit analysis, for addressing government regulations, and for developing green infrastructure policies.

Students and teachers can explore environmental issues with classroom resources, homework help, and other publications.

Air pollution occurs both inside and outside and is dangerous to individuals as well as to the planet. The Environmental Protection Agency oversees laws and regulations related to air quality and has gathered a wealth of information to help individuals understand the issue and address air pollution problems.

This site provides real-world issues as well as the scientific research and technology used to support the EPA's mission to protect human health and safeguard the natural environment.

Find an array of environmental and science-based lesson plans, activities and ideas from the EPA, other federal agencies, and external organizations.