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Observer Home Welcome


Home - Welcome - Text

What is GLOBE Observer?

  • A citizen science app allowing volunteers in GLOBE countries to take observations and contribute to the Global Learning and Observations to Benefit the Environment (GLOBE) community
  • A way to collect data to track changes in the environment in support of Earth system science research, and interpret NASA and other satellite data
  • An open data set available to scientists, and supporting students of all ages in doing real scientific research through the GLOBE Program

Download the app and follow the instructions to get started. Always follow guidelines from your local officials, and only participate in GLOBE activities or use the GLOBE Observer app if it is safe to do so.

Home - Welcome - Video

The Trees tool in the GLOBE Observer app allows citizen scientist observers to use their mobile devices to take tree height and tree circumference measurements all over the globe.

Latest Observer Data

Latest Data

Observer Home Now

GLOBE Observer Now

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NASA Moon Trees Map Thumbnail
GLOBE 2020 Yearbook: A Year Like No Other
App, solar viewing glasses, and thermometer to prepare for the eclipse.

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2020 South American Solar Eclipse Graphic
GLOBE Observer 2020 Community Cloud Challenge

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Nancy Glenn
Dr. Jason Brant Dodson