This site offers the user a variety of informational links that specifically address the testing, standards and regulations with which the gasoline manufacturers must comply. Since its implementation, one of the primary...

This case study examines the issue of air pollution. Students will examine the air quality problems that exist in both urban and rural areas. The questions of: What are the causes of haze and smog? and: What are the...

This case study asks students to examine how PCBs (polychlorinated biphenyls) are transferred globally. The lesson will provide students a review of the scientific method, and encourage them to design experiments that...

Most people are aware that plants undergo photosynthesis, a process by which they convert sunlight and carbon dioxide in sugar and water. But not as many realize that plants also undergo respiration, which is the reverse...

This site from the EPA provides a useful Energy Pollution Calculator which will help students and other interested persons calculate the greenhouse gases and other pollutants created from the energy they consume. The...