What will be the annual mean CO2 level in 2030?
What will be the annual mean CO2 level in 2030?
Basic
3
Ṁ802031
438
expected
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Resolution according to CO2 measurements in ppm and the calculation of annual means from Global Monitoring Laboratory at Mauna Loa Observatory.
Graphs of historic CO2 measurements at Mauna Loa are here:
https://gml.noaa.gov/ccgg/trends/mlo.html
The data for historic annual means are here:
https://gml.noaa.gov/webdata/ccgg/trends/co2/co2_annmean_mlo.txt
Mean data will be rounded up or down for resolution.
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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?
Manifold offers two market types: play money and sweepstakes.
All questions include a play money market which uses mana and can't be cashed out.
and can't be cashed out.Selected markets will have a sweepstakes toggle. These require sweepcash to participate and winners can withdraw sweepcash as a cash prize. You can filter for sweepstakes markets on the browse page.
to participate and winners can withdraw sweepcash as a cash prize. You can filter for sweepstakes markets on the browse page.Redeem your sweepcash won from markets at 1.00 → $1.00, minus a 5% fee.
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