How can you tell if harmful bacteria are in your food or water that might make you sick? What you eat or drink can be contaminated with bacteria, viruses, parasites and toxins pathogens that can be harmful or even fatal. Students learn...

Dioxins have been found to impose potentially harmful, even fatal effects. Learn about these persistent organic pollutants in this thorough report on dioxin exposure. A summary, details, and cited sources section are provided on this site.

Reduce, Reuse, Recycle - Three great ways YOU can eliminate waste and protect your environment!Waste, and how we choose to handle it, affects our world's environment-that's YOUR environment. The environment is everything around you...

An introduction, aimed at upper elementary- and middle-school learners, to acid rain. [Click back to home to access the site in Spanish.]

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.

Your questions answered about environmental restoration after chemical accidents. A large section is dedicated to oil spills and how they contaminate the earth. Great information.

Students will use scientific inquiry to prevent infection within an organism. At the end of the activity, students will understand cell characteristics, effect of microorganisms and how the body protects against harmful microorganism....

This resource over cyanobacteria (blue-green algae) explains what blue-green algae is, what blooms are and how they are harmful to livestock, how people and animals are effected by exposure to this algae, and more.

This concise article explores possible solutions to the hazardous waste problem.