GLOBE Observer - GLOBE Observer

Asset Publisher

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.

More >

A man and two children examine a watering can (a possible mosquito habitat), with one of the children holding a phone to collect an observation.

Activities for Families

As the summer holidays get closer, how about exploring some of our favorite GLOBE Observer activities for families, including the Clouds and Trees Family Guides!

Learn more >

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!

Read more >

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.

Learn More >

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.