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Climate Change Quiz

Ten questions at a time from a bank of 28. Each answer links to its source.

Useless’s weather-eye notes: a warming world, half an eraser

The highest carbon dioxide reading at Mauna Loa comes every May. The highest number of mistakes in this pencil case also comes in May. Exams.

— U. (tap me for another)

Thanks for visiting. The facts are checked; the jokes are Useless.

Climate change

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About the network

climate-change.climates.im is part of the ReallyByte network, run by REALLYBYTE, based in the Isle of Man. Facts are checked against the Met Office, NASA, NOAA, the United Nations and Encyclopaedia Britannica, listed on the sources page (checked 3 Nov 2026). The charts use NOAA and NASA data files. The diagrams, charts and games are our own; photos and portraits are public domain or CC0, credited. Not affiliated with or endorsed by the Met Office, NASA, NOAA, the UN or Britannica. As an Amazon Associate I earn from qualifying purchases. No cookies; privacy-friendly visit counts via GoatCounter. Privacy | Contact

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