GLOBE Observer Citizen Science Challenge

Calling Citizen Scientists! Participate in the GLOBE Observer Citizen Science Challenge: GO on the Lewis and Clark Trail through September 2, 2019.

This year NASA and the National Park Service encourage the public to follow in these explorers’ footsteps through a new citizen science challenge from June 1 to Sept. 2. Use your smart phone and the NASA GLOBE Observer (GO) app to map land cover along the Lewis and Clark National Historic Trailand elsewhere to assist scientists studying environmental changes.

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