Illustrated tutorial explains nonpoint source pollution and its role in the health of the environment. Students learn about different sources of pollution and how these pollutants contaminate the land, air, and water. Click on the links...

Students are challenged to design a healthy city in this unit plan. The cross-curricular unit covers content standards for ninth grade in science, language arts, world geography, and math. Students explore air quality and the impact it...

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

Lists landfill issues such as leakage, water contamination, air emissions, and hazardous waste dumping. Gives extensive documentation site links.

Find out how British Columbia measures air quality, collects and measures data, and analyzes and reports the findings.

An article about what China is doing to turn around its pollution problems. Read about plans for establishing large eco-communities in China, which are intended to make China's air and water cleaner as they also absorb millions of...

A collection of video lectures from a course that explores the physical processes the control Earth's atmosphere, ocean, and climate that is taught at Yale University. The course covers topics like clouds, rain, severe storms, regional...

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

This essay is a thorough investigation of the various political and philosophical changes which have occurred throughout the environmental movement. Examines the current situation and includes references. Excellent article.

The ways in which an element or compound such as water moves between its various living and nonliving forms and locations in the biosphere is called a biogeochemical cycle. All of the atoms that are building blocks of living things are a...

Trace the advance of the environmental movement from 1948 through the 1980s. Read about the legislation promoting a healthy environment passed under both Democratic and Republican presidents.