Since she was 26 years old, Jane Goodall has devoted her life to research and conservation. After decades at Gombe, where she revolutionized the ways we study and think about animals, she turned to saving the environment in which they live. Now is the time to thank her for these 50 years of remarkable service.

Your signatures will be hand-delivered to Jane Goodall on September 27th during the Jane Goodall Live event in hundreds of movie theaters. Tickets can be purchased via the thank you email you'll receive after signing.

In 1977, Jane established the Jane Goodall Institute, which is now a model for community-based conservation and development programs in Africa. Its youth-oriented program, Jane Goodall's Roots & Shoots, started in 1991 with a group of 16 teenagers, has since grown to nearly 150,000 young people in 120 countries.

Jane Goodall has proven that one person can create change--on both a local and a global scale. Sign now to thank Jane for her great accomplishments and to pledge to be an activist in your own life, even if it's in a small way.

I am writing to thank you for your great works in the fields of environmental and animal activism. Through your continued outreach, you have demonstrated that it is possible for an individual to positively contribute to his or her community on a local and global scale.

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Thank you for your selfless environmental activism. You have inspired hundreds of thousands of people to take action on behalf of our planet and shown us that though we may feel like our efforts are too small to make a difference, we are all capable of great change.