Data Collection Challenges

From time to time, we ask our citizen scientists to collect data of a particular type or in a particular place (or series of places) as part of a challenge. Listed below are links to more information about our current or past challenges.

Current/Upcoming Challenges:

• 15 March to 15 April 2024: GLOBE Eclipse Challenge: Clouds and Our Solar-Powered Earth (Total solar eclipse on 08 April 2024 - learn more about the Eclipse tool.)

Past Challenges:

• 15 March to 15 April 2018: Spring Cloud Observations Data Challenge
• 22 September to 1 October 2018: Land Cover Challenge
• 7 April to 13 April 2019: Mosquito Blitz
• 1 June to 2 September 2019: GO on a Trail
• 1 June to 31 October 2019: GO Oklahoma (Year 1)
• 15 October to 15 November 2019: Fall Cloud Observations Data Challenge
• 1 April to 30 April 2020 POSTPONED: Trees Challenge 2020: Make Every Tree Count
• May to 31 October 2020: GO Oklahoma(Year 2)
• 15 July to 15 August 2020: Community Clouds Challenge: Science is Better Together
• 15 April to 15 May 2021: Community Trees Challenge: Science is Better Together 
• 25 July to 25 August 2021: Mosquito Habitat Photo Challenge
• 15 January to 15 February 2022: Cloud Challenge 2022: Clouds in a Changing Climate
• 26 July to 26 August 2022: Land Cover Challenge 2022: Land Cover in a Changing Climate
• 11 October to 11 November 2022: Trees Challenge 2022: Trees in a Changing Climate
• 01 May to 31 May 2023: Where is the Water? A GLOBE Observer Data Challenge
• 14 October 2023: Annular Solar Eclipse
• 21 June to 21 September 2023: NASA Moon Trees Quest