Question

Will an ocean be fertilised with at least 50 tonnes of iron, as part of a single geoengineering effort, by the end of 2023?

Resolved :No12%

19 comments19

Total Forecasters91

Community Prediction12% (7.1% - 21%)

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50%

community: 12%

Did this actually happen?No

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Tamay

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Environment & Climate

2016-2025 Leaderboard

Materials science

Chemistry

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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?

96.1

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

22%

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?

10%

Comments

? comments

Authors:

Tamay

Opened:

Closes:

Resolves:

Environment & Climate

2016-2025 Leaderboard

Materials science

Chemistry

Environmental science

The most encouraging climate solutions and green technologies of 2024

New Scientist•Dec 17, 2024

Will the World's First Nuclear Fusion Power Plant Be Built in Virginia? Here's Why We're Skeptical

Scientific American•Dec 19, 2024

‘Marine Snow’ Could Help Drown Our Carbon Crisis—A Biologist Explains

Forbes•Dec 21, 2024

Learn more about Metaculus NewsMatch

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?

96.1

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

22%

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?

10%

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Will an ocean be fertilised with at least 50 tonnes of iron, as part of a single geoengineering effort, by the end of 2023?

Make a Prediction

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?

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

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?

Comments

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?

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

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?

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?

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

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?

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?

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

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?