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Skip to Content × Browser Modal Do not show this message again Close Sign In Forgot/Change Password 130 Clouds Observed Ranked 10 of all Users Recognition Observed Every Day for a Week (January 2016) -- Get the App -- Do GLOBE Observer -- Getting Started Clouds Clouds Overview Making Cloud Observations Clouds FAQs Clouds Resource Library Mosquito Habitats Mosquitoes Overview Making Mosquito Observations Mosquito FAQs Mosquitoes Resource Library Land Cover Land Cover Overview Making Land Cover Observations Land Cover FAQs Land Cover Resource Library Trees Trees Overview Making Tree Observations Tree FAQs Tree Resource Library Eclipse Eclipse Overview Making Eclipse Observations Eclipse FAQs Eclipse Data Analysis Eclipse Resource Library Challenges Mosquito Blitz GO on a Trail GO Oklahoma Fall Cloud Challenge Trees Challenge 2020 Stations Lead a Program -- Getting Started Clouds Overview Activities Books, Videos and Presentations Printables and Promotional Materials Mosquito Habitats Overview Activities Books, Videos and Presentations Printables and Promotional Materials Land Cover Overview Activities Books, Videos and Presentations Printables and Promotional Materials Trees Overview Activities Books, Videos and Presentations Printables and Promotional Materials Eclipse Get Data -- Overview Clouds Data Dust Data Eclipse Data News, Events, and People -- News Events People Publications -- About -- About GLOBE Observer Citizen Science FAQ App Status Team Contact Us Get the App Search -- Sign In Forgot/Change Password Get the App Do GLOBE Observer Getting Started Clouds Clouds Overview Making Cloud Observations Clouds FAQs Clouds Resource Library Mosquito Habitats Mosquitoes Overview Making Mosquito Observations Mosquito FAQs Mosquitoes Resource Library Land Cover Land Cover Overview Making Land Cover Observations Land Cover FAQs Land Cover Resource Library Trees Trees Overview Making Tree Observations Tree FAQs Tree Resource Library Eclipse Eclipse Overview Making Eclipse Observations Eclipse FAQs Eclipse Data Analysis Eclipse Resource Library Challenges Mosquito Blitz GO on a Trail GO Oklahoma Fall Cloud Challenge Trees Challenge 2020 Stations Lead a Program Getting Started Clouds Overview Activities Books, Videos and Presentations Printables and Promotional Materials Mosquito Habitats Overview Activities Books, Videos and Presentations Printables and Promotional Materials Land Cover Overview Activities Books, Videos and Presentations Printables and Promotional Materials Trees Overview Activities Books, Videos and Presentations Printables and Promotional Materials Eclipse Get Data Overview Clouds Data Dust Data Eclipse Data News, Events, and People News Events People Publications About About GLOBE Observer Citizen Science FAQ App Status Team Contact Us Get the App Search GLOBE Observer Highlights 2019 In 2019, you achieved many things with GLOBE Observer. Check out the highlights! Fall Cloud Challenge Top Observers Announced The GLOBE Fall Cloud Observation Challenge brought in more than 45,000 observations from citizen scientists in more than 17,000 locations in 93 countries on every continent — including Antarctica! See a dust storm? Submit your photos with GLOBE Observer. Do you live in an area that has dust storms? You can report the dust event through GLOBE Observer. Click to learn how. More Languages Now Available on the NASA GLOBE Observer App! The GLOBE Observer App now offers several different languages translations: Arabic, Dutch, English, French, German, Hindi, Portuguese, Russian, Spanish and Vietnamese! Previous Next Welcome -- Welcome The Trees observation tool in the NASA GLOBE Observer (NASA GO) app allows citizen scientist observers to use their mobile devices to take tree height and tree circumference measurements all over the globe. -- The GLOBE Observer app extends the reach of the GLOBE Program by providing a way for you, as a citizen scientist in a GLOBE country, to make observations and contribute to the GLOBE community. Your GLOBE observations help scientists track changes in clouds, water, plants, and other life in support of Earth system science research. Scientists can also use your data to help interpret NASA and other satellite data. GLOBE observations are available for anyone to view and by submitting your observations, you can help students of all ages do real scientific research as part of the GLOBE Program . Everyone can participate, including GLOBE alumni, retired GLOBE teachers, families, and others in the local community. Download the app, go outside and follow the prompts in the app to observe your environment. And don’t forget to submit your data to GLOBE after recording observations! Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit dolore eu pariatur. Learn More -- Latest Data 1/17 1/18 1/19 1/20 1/21 1/22 1/23 Recent Measurements Last 7 Days Mosquito Habitats Cloud Cover Land Cover Classification GLOBE Observer Now News Events People Facebook Twitter GLOBE Observer Part of the GLOBE program Sponsored by: NASA Official: Allison Leidner Site Curator: Holli Riebeek Kohl -- -- Privacy Policy Contact GLOBE Observer...