Poll: Help Pick the Next Double Impact Challenge!

TreeHugger readers have stepped up and helped us to pick the last four Double Impact challenges! With your help we've sifted through all sorts of ways to stay green this summer from skipping paper plates and paper towels to using rechargeable batteries and closing curtains to reduce a/c. This week, we are looking for the best way to keep cool in the summer heat without wasting energy. So, what will you choose?Are you on Double Impact, yet? It is a new Facebook-connected platform that allows you to take interesting challenges and rewards you for your efforts by donating to a charity of your choice! Since the platform is Facebook-connected, you can challenge your friends and track each others' progress. It is a great way to learn how to make your life a greener while seeing real world results.

Join Double Impact, here!

More on Double Impact
Double Impact Challenge: Why You Should Go Veg
Double Impact Challenge: Why You Should Skip the Drive
Double Impact Challenge: Why Reuse That Bag?
Double Impact Challenge: Why Skip the Plastic Bottle?