April 18, 2007 --

The Environmental Protection Agency's Web site lets you calculate of your "carbon footprint," or personal/family greenhouse gas emissions. You can also find ways to lower your emissions while reducing your energy and waste disposal costs

To calculate your carbon footprint click here.

For more tips on reducing your energy consumption from the Natural Resources Defense Council click here.

Find out more about the Solar Charger featured in today's segment.

Find out more about Kill a Watt.