GLOBE Observer - GLOBE Observer

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Hands holding phones with each of the landing screens for Clouds, Mosquito Habitat Mapper, Land Cover and Trees in front of backgrounds representing the data collected by each of the four tools. Text says GLOBE Observer Connect.

GLOBE Observer Connect

Join us on 22 May 2025 for a conversation about GLOBE Observer accomplishments in the ten years since development for the app began.

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Circle with a colorful background and an Earth image, and the text

GLOBE's 30th Anniversary Broadcast

Join GLOBE's 30th Anniversary Broadcast for highlights of how the program has impacted science, people, and communities in its 30 years of existence.

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Mosquito larvae in a magnifying glass in the foreground, and a background of a row of houses with a pond and tire (possible mosquito habitats.)

Observe Mosquito Habitats in April

As spring begins in the Northern Hemisphere, track the presence of mosquito larvae in standing water to identify the start of the season in your community.

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A map showing North America, with color-coded circles indicating the total cloud cover reported on 08 April 2024 during the total solar eclipse.

GLOBE Eclipse Science Results

Learn about some of the science results from your data collected during the April 2024 total solar eclipse!

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Citizen Science Month - April - One Million Acts of Science

Citizen Science Month - One Millions Acts of Science

April is Citizen Science Month! Each observation you take with GLOBE Observer contributes to the goal of One Millions Acts of Science during the month.

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The 30 Years of GLOBE: Comparing Data Past and Present badge with history photos from GLOBE, including a group of students lying in a circle around GLOBE written on the ground, various people in canoes on a pond, a large inflatable globe and lighted paper lanterns being held up around it, a cake that says Happy Earth Day and an image of the Earth, and a hand holding up a phone with a landing screen from the GLOBE Observer app.

Thirty Years of GLOBE!

GLOBE is celebrating its 30th Anniversary this year! We're celebrating by comparing GLOBE data past and present.

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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.