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01/09/2023
Before, During, and After the NASA GLOBE Trees Challenge 2022: A Revisit with the Keystone 10 Million Trees Partnership
A look back at the Trees Challenge from 2022, as well as what an active observation group in Pennsylvania has been up to related to measuring trees.  >>

12/29/2022
The GLOBE Program at the AGU Fall Meeting
From 12-16 December 2022, The GLOBE Program and members of the GLOBE community attended the American Geophysical Union’s Fall Meeting in Chicago, Illinois, an annual gathering of Earth scientists from around the world sharing their research and discoveries.  >>

12/15/2022
How to Compare Your Cloud Observations to Satellite Data
One of the most exciting moments in making a cloud observation is receiving your NASA “Satellite-Match” personalized email. The email includes data about your observation, time and location, and it matches it to satellite data obtained at approximately the same time and at your location. Este artículo también está disponible en español.  >>

11/22/2022
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.  >>

11/04/2022
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.  >>

10/19/2022
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.  >>

10/18/2022
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.  >>

09/21/2022
GLOBE Clouds New Satellite Matching: NOAA-20
The NASA GLOBE Clouds team is excited to announce the upcoming addition of NOAA-20, a new satellite, to the satellite matching capabilities. This means that when you make your cloud observations, you can match your observations to NOAA-20, but what is NOAA-20? Este artículo también está disponible en español.  >>

09/14/2022
Four Years of ICESat-2 and the Upcoming NASA GLOBE Trees Challenge 2022: Trees in a Changing Climate
What do trees, tree height, lasers, and a NASA satellite called the Ice, Cloud, and land Elevation Satellite-2 have in common?  >>

09/06/2022
Land Cover Challenge 2022 Summary and Wrap-up
From 26 July to 26 August, we asked our volunteer scientists to use GLOBE Observer to collect observations of land cover, tying in with the 50th anniversary of the Landsat satellite and with a special focus on land cover in a changing climate. And our volunteers delivered! Read about the results of the challenge.  >>