Twelfth graders test solutions to determine the parts per million and whether a lake is contaminated.

Read a brief history of the use of DDT in the United States, its effect on wildlife, and the banning of the toxin in 1972 by the EPA.

Insightful article that categorizes and describes the various types of allergies. Also gives information on treatment of symptoms.

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.

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

Informative overview of the facts associated with food allergies. Provides information on symptoms, treatment, prevention, and much more.

If you care about the environment and are interested in a career which protects it, you might want to investigate the career of environmental compliance inspector. These inspectors are employed by governmental agencies as well as large...

This website provides consumer information from the EPA about drinking water and water bodies.

This resource describes what well head protection is, what you can do, case studies, why you should care, and related links.

An interactive, self-guided lesson on pathogens and microorganisms. This lesson has many descriptive animations as well as diagrams to help with understanding. There is a self-checking quiz at the end of the lesson.

Wikipedia offers extensive information on the history and amendments to the Clean Air Act of the United States.

Familiarize yourself with various food-bourne illnesses and the negative impacts they can have on consumers.

Discusses the chemistry of nitrate, the negative agricultural effects of too much nitrate in soil and in water sources, its toxicity to plants and livestock, and the impact on human health.

Facts about the health hazards associated with lead, where it can be found, when it is the most hazardous, how to check family members and your home for lead, and issues with older homes and with renovating. Includes links to numerous...

In 2000, Walkerton's water became infected with E. coli and many residents fell ill. This exhibit describes how public health officials handled the outbreak and investigation. The case made the public far more aware of issues around...

Discusses what wellhead protection is, why it is needed, who is involved, a step by step plan, and a nice diagram of a well and the surrounding area.

This site defines and describes causes of ocean pollution. Easily navigated links to education, research, and current issues on pollution.

This 1975 article describes the legislation that was passed to regulate the safety of drinking water.

This resource provides information about dioxins, water bottles, and their effects on humans.

Information about everything to do with asbestos. Learn what it is, where it can be found, the health impact of exposure, how to protect yourself, federal requirements for buildings and removal, cleanup sites, and how to become an...

Site provides a general description of Salmonellosis, the foodborne illness caused by salmonella. Focuses on kids and kids' health and gives excellent information about the virus.

Information on what you need to be aware of when eating fish, how to protect oneself, what the Environmental Protection Agency is doing to safeguard consumers, and research that has been done in this field of study.

Students learn about and experiment with the concept of surface tension. How can a paper clip "float" on top of water? How can a paper boat be powered by soap in water? How do water striders "walk" on top of water? Why do engineers care...

In this activity, students use models to investigate the process and consequences of water contamination on the land, groundwater, and plants. This is a good introduction to building water filters found in the associated activity, The...