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Trees Challenge 2022 Summary and Wrap-up

From 11 October to 11 November 2022, we asked our volunteer scientists to help us estimate the number of trees in the areas around them and contribute to tree and climate science by sharing their observations of trees. The response was impressive! We received over 4700 observations from more than 750 individual participants! Read more in the challenge summary. >>

GLOBE Observer Trees App Used in Documenting a Critically Endangered Species

The Araucária is an ancient tree whose ancestors populated the landscape before even the dinosaurs, more than 240 million years ago! Although once dominating the entirety of the Atlantic Forest, the Araucária is now an endangered species that occupies only 2% of its historic range. >>

GLOBE Goes to the Amazon

This is Rusty Low, scientist with the GLOBE Observer Science Team, reporting from the Amazon Rainforest in the Tapajós National Forest, Municipality of Belterra, Para, Brazil for the NASA GLOBE Trees Challenge 2022: Trees in a Changing Climate. My co-author for this blog is Erick Luiz Souza Silva. He is a graduate student at the Federal University of Brasilia. >>

Comparing GLOBE Trees to ICESat-2: A New Scientific Publication

Can your tree measurements give scientists assessing tree heights with satellite data a useful ground-based reference point? According to a new analysis of GLOBE Observer tree data, it can in certain circumstances. There are four things you can do to make sure your observations are useful. >>

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