Will the mean global near-surface temperature for 2023-2027 exceed 1.5℃ above the preindustrial average?
Will the mean global near-surface temperature for 2023-2027 exceed 1.5℃ above the preindustrial average?
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This is part of a series of questions on the predictions from the last Global Annual to Decadal Climate Update from the World Meteorological Organization.
The chance of global near-surface temperature exceeding 1.5°C above preindustrial levels for at least one year between 2023 and 2027 is more likely than not (66%). It is unlikely (32%) that the five-year mean will exceed this threshold.
This question is about that second sentence, whether the mean over the entire five-year period will exceed 1.5℃. I will base the resolution on data from the WMO, if available. Otherwise, I will base it on the most reliable measurements I can find.
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What is this?
What is Manifold?
Manifold is the world's largest social prediction market.
Get accurate real-time odds on politics, tech, sports, and more.
Win cash prizes for your predictions on our sweepstakes markets! Always free to play. No purchase necessary.
Are our predictions accurate?
Yes! Manifold is very well calibrated, with forecasts on average within 4 percentage points of the true probability. Our probabilities are created by users buying and selling shares of a market.
In the 2022 US midterm elections, we outperformed all other prediction market platforms and were in line with FiveThirtyEight’s performance. Many people who don't like trading still use Manifold to get reliable news.
How do I win cash prizes?
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