American Forests
The average person is responsible for emitting 94 pounds of carbon dioxide every day. It takes four trees, which act as natural air filters, to offset the carbon dioxide each person generates in a month. For each dollar donated, American Forests plants a tree. For more information and to plant trees, visit www.americanforests.org

Earth 911
Find information about environmental services and events in your community, visit www.earth911.org

Engines Off
Lynn Romanek from Glencoe, Illinois, has organized parents at her childrens' school to turn off their cars instead of idling in the parking lot. Idling 10 minutes less per day can keep 550 pounds of carbon dioxide out of the air every year. For more information visit www.enginesoff.org

Greendimes
A group that reduces junk mail and plants trees. For more information or to sign up, visit www.greendimes.com

Treehugger
For ideas on green living, visit www.treehugger.com

Stop Global Warming Tour
Learn more about Sheryl Crow and Laurie David's tour and what you can do to find solutions for global warming. Visit http://www.stopglobalwarming.org for more information.

The Green
Simran Sethi hosts The Green on the Sundance Channel. Visit www.sundancechannel.com/thegreen for more information.

The Green Book by Elizabeth Rogers and Thomas Kostigen
Simple things you can do to save the planet. Find more at www.readthegreenbook.com

Ecobags
Bringing your own bag when shopping saves plastic bags. Visit www.ecobags.com

Method Home
Method offers some cleaners that are dye- and perfume-free, nontoxic, biodegradable, naturally derived and never tested on animals. For more information, visit www.methodhome.com

Mrs. Meyers cleaning supplies
All of their cleaning supplies are made with natural essential oils, are biodegradable and phosphate-free. For more, visit www.mrsmeyers.com

Seventh Generation products
Seventh Generation is one of the leading brands of nontoxic household products. For more information, visit www.seventhgeneration.com

Shaklee
This company has been producing natural cleaning products—everything from dryer sheets to stain removers—for 50 years. Call 800-670-6251 or visit www.shaklee.com to save 33 percent on the Shaklee Healthy Home pack and 15 percent off all other items at Shaklee.

BITS Ltd. smart power strips
Even after turning off a computer, power continues to flow to computer peripherals like printers and scanners. This power strip ($32.99) stops the energy from being wasted. For more information visit www.bitsltd.net

Carbonfund.org and Terrapass
If your local utility company doesn't offer green power, you can reduce the environmental impact by purchasing offsets. In this system, you give money to companies like Carbonfund.org or Terrapass, which use it to develop renewable energy sources. For more on purchasing power offsets, visit www.carbonfund.org or www.terrapass.com

Duke Energy
Duke Energy provided energy efficiency starter kits for audience members. The kits are available to their customers in Indiana and Kentucky who qualify for in-home energy audits. For additional information visit www.duke-energy.com. Check with your local energy company for similar ways to save energy.

GE Energy Smart lightbulbs
GE Energy Smart bulbs use 70 to 75 percent less energy than incandescent lightbulbs and last up to 10 times longer than incandescent bulbs. For example, by using a 26-watt compact fluorescent lightbulb—equivalent to a 100-watt incandescent lightbulb—users can save up to $59 on energy costs over the life of the bulb. Saving energy saves money and is better for the environment.

Nalgene water bottles
These water bottles are durable, inexpensive, can be used repeatedly and are widely recyclable. For more information visit www.nalgene-outdoor.com.

New Wave Enviro Products
Corn-resin bottle with filter ($8.99) provides pure, clean drinking water and can be reused up to 90 times, and the bottle biodegrades in just 80 days. For more information visit www.newwaveenviro.com or call 800-592-8371.

SIGG water bottles
Using a premium reusable bottle like SIGG greatly helps reduce unnecessary environmental waste caused by plastic PET water bottles. Get more information at mysigg.com.