Question

Will a bio additive for accelerating mafic rock weathering by at least 30%, which enhances its CO2 sequestration, be available before 2030 and cost less than $20 per ton of rock?

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Total Forecasters3

Community Prediction

10%

(10% - 14%)

Make a Prediction

50%

community: 10%

Authors:

johnnycaffeine

Opened:

Jul 3, 2024

Closes:

Dec 30, 2029

Scheduled resolution:

Jan 1, 2030

Spot Scoring Time:

Jul 6, 2024

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Will 0.5 Gt of atmospheric CO2 be removed annually using enhanced rock weathering before 2040?

22%

Cheap bio additive ↑ rock weathering 30%? → 0.5Gt CO2 removed by rock weathering by 2040?

When will direct air carbon capture tech cost <$50 (2020 USD) per ton of CO2?

2039

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