Climate Science Olympiad 2023 (CSO23)

Deadline:10th June 2023 | Climate Science Olympiad 2023 (CSO23)

Applications open for the Climate Science Olympiad 2023 a student contest to identify climate change remedies. Are you prepared to assume the role of a world leader?, Submit now!

The Climate Science Olympiad 2023  has three age brackets: under 16s, 17-19, and 20-25 years old. Regardless of age, participants compete in the same qualifiers and answer the same type of problem statements. However, we only compare participants within their age brackets.

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They score the three brackets independently and normalise scores within each. Semi-finalists, finalists, and winners are those with the highest normalised scores. This ensures fair comparison regardless of age.


Prize Money:

  • First place wins $5,000.
  • Second place wins $3,000.
  • Third place wins $2,000.
  • Participants ranked 4th through 7th win $1000 each
  • and 8th through 10th take home $500.
  • All figures in USD. Winners will also get a chance to speak at the Award Ceremony, hopefully to be conducted at COP28
  • Free to enter
  • Age groups: <16, 17-20, 21-25
  • You only compete with other students in your own age group.
  • Participate solo or in a team of two
  • Participants must be comfortable with at least one of the following 12 languages
  • English, Spanish, French, Portuguese, Japanese, Chinese, Russian, Italian, German, Polish, Dutch, Romanian

Qualifiers Opens

Format: The Qualifier round is a 25-minute online quiz. Participants are asked to answer 10 multiple choice questions. Those who get 8 or more answers correct in the Qualifiers, will move to the Quarter Finals.

Quarter Finals

The Quarter Finals round is a 25-minute online quiz. Quarter Finalists will have to answer 15 in-depth multiple-choice questions. Those who get 13 or more answers correct in the Quarter Finals, will move to the Semi Finals.


Timeline: The Semi Finals will happen every first Sunday of each month, namely 4th June, 2nd July and 6th August.

Format: The Semi Finals will focus on three key themes corresponding to 9 topics:

  • Energy – Clean Energy, Sustainable Transport, industry
  • Development – Sustainable Development, Sustainable Economics, Circular Economy
  • Natural Systems – Sustainable Agriculture, Biodiversity, Water Resources


Format: Finalists receive a complex global problem and they have to write a 3000-word proposal aiming to solve the problem at hand. They then present their solution in a 20-minute presentation judged by world-leading scientists, innovators and policy-makers.

For further information, visit CSO23


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