Join millions for Earth Day, and year round environmental conservation & citizen science efforts.

Support citizen science! Global Earth Challenge empowers all people to monitor threats to environmental and human health in their communities and drive meaningful environmental action. This open data platform makes it easier for researchers to find and access high-quality information and use citizen science data for policy assessments.

CLASSIFY: You can classify plastic pollution for ongoing research projects.

CAPTURE: Your submissions to strengthen their ongoing research projects.

LEARN: You can learn about six critically important environmental issues through research topics.

ACT: Be part of the solution and take action to make improvements not just in your community, but around the world.

Global Earth Challenge is a joint initiative created by Earth Day Network, the Wilson Center, and the US Department of State.
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App Privacy

The developer, Earth Day Network 2020, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Location
  • Contact Info
  • User Content
  • Identifiers

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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