take the tour

• Signing Up
• Setting Your CO2 Profile
• Making Changes
• Inviting Friends

Inviting Friends

1. Another way for you to make a big impact is to get lots of friends and colleagues to reduce their CO2 as well.
2. Enter the email addresses of several friends and colleagues. (We will never sell, rent, or disclose the email addresses to anyone.)
3. Click the submit button. Your friends will receive an email, and if they decide to sign up, your Impact Tree will be updated.