Will we see the construction of a city underwater by 2050?
Will we see the construction of a city underwater by 2050?
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This will resolve based on whether there is a community of >50,000 people living in a permanent, underwater habitat.
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Does it count if a currently above-ish water city (I'm thinking of Jakarta) adapts a small part of its area to being underwater? Of course the 50k criterion would still be required, but that's barely 0.1% of Jakarta's population.
@BrunoParga If it's >50k with housing in the underwater section I'll count it, even if it's an extension of an existing city
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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.
Or create your own play-money betting market on any question you care about.
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 betting still use Manifold to get reliable news.
Why use play money?
Why use play money?Mana (Ṁ) is the play-money currency used to bet on Manifold. It cannot be converted to cash. All users start with Ṁ1,000 for free.
Play money means it's much easier for anyone anywhere in the world to get started and try out forecasting without any risk. It also means there's more freedom to create and bet on any type of question.
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