Trees Challenge 2020 is a month-long citizen science challenge to measure the height of as many trees as possible during April. The webinar will go over resources available to support educators interested in implementing the challenge in a variety of settings. If you can't attend the webinar, it will be recorded and archived at https://observer.globe.gov/trees-2020
Become a SciStarter Ambassador!
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Applications for Cohort 4 are open!

Libraries and community organizations need your help to spark excitement for citizen science and keep the momentum going!

The SciStarter Ambassador Program offers FREE training to volunteers ready to make an impact in their communities.

Ready to make a difference? Complete your application by March 14th to join the movement!