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06/11/2021
Published Results from GO on a Trail Challenge
In 2019, you joined us on the trail by submitting more than 18,000 land cover photos from 37 countries during our GO on a Trail challenge. On April 22, a peer-reviewed scientific analysis of the data was published in Frontiers in Climate. The paper summarizes the data submitted during the challenge, describes how your data are matched to satellite-based land cover products and outlines how GLOBE Observer observations could help scientists in the future.  >>

05/26/2021
The (Solar) Terminator Problem: Cloud Observations During Dusk or Dawn
The NASA GLOBE Clouds team at NASA Langley Research Center (LaRC) is working with a team of NASA researchers to use GLOBE Cloud observations made by people just like you to solve the Terminator Problem!  >>

05/24/2021
NASA Interns Help to Solve the Terminator Problem Via GLOBE Challenge
What is the terminator problem? The solar terminator (or “twilight zone”) is the line that separates the daylit side of a planet from the dark night side. From Earth’s surface we can often see lovely sunrises and sunsets at the terminator. However, these same conditions pose some difficulties for cloud-observing satellites.  >>

05/21/2021
2021 Community Trees Challenge Summary
The most recent GLOBE challenge, the 2021 Community Trees Challenge, has ended. Between April 15 – May 15, around the world, GLOBE and GLOBE Observer citizen scientists took 2,441 tree height observations from 1,733 global locations.  >>

05/08/2021
PRESS RELEASE: Using Citizen Science and AI to Track Deadly and Invasive Mosquitoes
A new project led by the University of South Florida in partnership with the Woodrow Wilson International Center for Scholars' Science and Technology Innovation Program (STIP), The Institute for Global Environmental Strategies (IGES), and Centers for Disease Control and Prevention (CDC), seeks to develop a better mosquito population tracking solution.  >>

05/07/2021
Join GLOBE Observer at NASA CitSciCon
Imagine all the fun of Comic-Con, only with fewer costumes and a more sciency, save-the-planet, get-everyone-doing-science kind of vibe and you have NASA’s inaugural CitSciCon, a virtual event on May 21 and May 22.  >>

05/06/2021
Science is Better Together: The Girl Scouts in the Heart of Pennsylvania and the Chesapeake
Through K10, Girl Scouts can earn a “Clean Water Grows on Trees” fun patch by learning about the importance of trees and their impact on clean water.  >>

04/29/2021
Science is Better Together: The Keystone 10 Million Trees Partnership
The Keystone 10 (K10) Million Trees Partnership is a collaborative effort, in Pennsylvania, of national, regional, state, and local agencies, conservation organizations, outdoors enthusiasts, businesses, and citizens committed to improving Pennsylvania's communities, economy, and ecology.  >>

04/21/2021
Science is Better Together: The Real-World Benefit of the NASA GLOBE Observer Trees Tool
Tree height is the most widely used indicator of an ecosystem's ability to grow trees, so tracking tree height over time can help us to assess the ecological health of a given area.  >>

04/15/2021
Trees are land cover
With the GLOBE Observer (GO) mobile app there are two ways of tracking the location and number of trees across Earth: GO Land Cover and GO Trees. So what is the difference between these two? What is the benefit of one over the other? Should you make observations of trees using both of the tools?  >>