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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

What are GLOBE Observers up to?

Watch the recording of the latest GLOBE Observer Connect session to hear from volunteers collecting data, community members and educators creating projects and teaching others, and scientists and researchers using GLOBE data. See what's coming next in the monthly series on the GO Connect event page.

Latest Observer Data

Observer Home Now

GLOBE Observer Now

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A woman looks at a photo of a mosquito larva on a phone. She is sitting at a table with papers in front of her and a laptop by her side.
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A stylized drawing of a hand holding a phone. The phone screen shows a tear drop shape that includes a drawing of a hurricane over a mountain and river. Text next to the hand reads: NASA Response Mappers.
A woman looks at a photo of a mosquito larva on her phone. She sits at a table with papers in front of her and a laptop next to her. Overlaid text reads GLOBE Observer Connect 17 July 2025.
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A smiling White man in a white and blue checked button-down shirt.
A man in a hat, sunglasses and holding a laptop, collecting data in a forested area.
A young White woman with brown eyes and short, curly brown hair sits in front of bookcases, smiling. Her t-shirt has a manga-style character in a ball dress reading a book, and the text