The Human Touch Keyword: PEOPLE

One quart of motor oil can pollute 2 million gallons of drinking water!

EPA Explorers Club: You and Your Environment

What can you do to help the environment? Find out at this site from the EPA, the Environmental Protection Agency. Be sure to click What's Wrong With This Picture to learn about water pollution. Then, visit Recycle City.

		Questions What is the right way to get rid of used motor oil? Why is recycling important? Name three things you can do to help the environment.

The Ozone Layer

What is the ozone layer? Why is it important? Learn the answers on this page, which comes from the government of Canada.

		Questions What is the ozone layer? Why is it important for life on Earth? What has damaged the ozone layer? Can the ozone layer be repaired? If so, how?

BrainPop: The Water Cycle

Tim and Moby are your hosts for this fun cartoon about the water cycle. When you finish watching it, try the quiz. Or click Bob the Lab Rat for a fun activity.