Skip to main content Skip to footer site map

Earth Challenge 2020 | Nature Nation


Each week, we feature a worthy citizen science project or nature news segment from around the nation. This week, to celebrate Earth Day, we bring you Earth Challenge 2020 from

With a mobile app, you can be part of one of the biggest coordinated global citizen research projects in history. You can help researchers, scientists and organizations collect data for six key environmental issues, including plastic pollution and air quality, which launch today, Earth Day 2020. Earth Challenge 2020 plans to combine data from existing citizen science projects with new and expanding projects. Your contributions can facilitate better environmental policies, making the world a stronger, cleaner, healthier place for us to live.

Earth Challenge 2020 App


PBS is a 501(c)(3) not-for-profit organization.