Alexandra Pilz & Eleonore Vecchioli present their winning solution at the UN Climate Summit.

CSO21 Winners

2021 was the first year of the ClimateScience Olympiad and saw 12,400 sign ups from 149 countries.

Watch the 2021 Award Ceremony

1st place team

Alexandra and Eleonore won the CSO21 with their inspiring proposal on a ‘Global Carbon Tax Scheme’.

Eleonore Vecchioli

Eleonore Vecchioli

Aged 14, UK

"The CSO is an unrivalled opportunity to develop your environmental knowledge and meet people with similar interests. It asks you to think beyond the traditional curriculum and gives you a glimpse into the decisions world leaders have to make about the climate. The CSO will stretch your environmental knowledge and enable you to become a better essay writer and scientist."

Alexandra Pilz

Alexandra Pilz

Aged 14, UK

"Winning the ClimateScience Olympiad was so exciting. We thank ClimateScience for the opportunity and for the amazing community that was created out of the competition. My advice to anyone applying in 2022 would be to make sure you answer the questions precisely and, most importantly, have fun!"

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Register now!

Participate on your own or in a team of two, and compete against youths from around the world to find solutions to climate change. The top 10 teams will win a share of the $15,000 prize pool.