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03/26/2019
Help NASA Measure Trees with Your Smartphone
Healthy forests play a crucial role in Earth’s ecosystem as growing trees take up carbon from the atmosphere. NASA satellites and airborne missions study forests to see how carbon moves through ecosystems – and now citizen scientists can help investigate this key question as well by using their smartphone to measure tree height.  >>

10/22/2018
Land Cover Challenge Winners 2018
Citizen scientists from all of the GLOBE regions -- and from 25 countries -- participated in the 2018 Land Cover Challenge.  >>