Question

What is the largest amount of iron that will be used to fertilise an ocean as part of a single geoengineering effort, by the end of 2026?

Total Forecasters26
Community Prediction
49.9 tonnes
(4.64 tonnes - 193 tonnes)

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CDF

QuartilescommunityMy Prediction
lower 25%4.642
median49.88
upper 75%193.4
Upper bound
>5004.0%
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Authors:
Opened:Jan 9, 2020
Closes:Jul 31, 2025
Scheduled resolution:Feb 20, 2027
Spot Scoring Time:Jan 11, 2020