Climate Science Olympiad 2025 Dates. June 16th , 2025 last qualifier : Semi finals occur every first sunday of each month, including 4th june, 2nd july, and 6th august.
The climate science olympiad 2025 (cso 2025) is a global competition that aims to raise awareness about climate change and its impact on the planet. The registration for the cs olympiad will close on 10th june 2023.