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Will large scale solar radiation management be used to mitigate the effects of climate change in the 21st century?

9

Will there turn out to be widespread fossils of algae and lichens on Mars?

155 forecasters

17

What will be the estimated population of blue whales in 2050?

6

Vaquita porpoise declared extinct before 2020?

6

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

18

When will two or more supermarkets sell products made of ≥20% clean fish in their physical retail stores in at least 25 U.S. states?

3

Animal Welfare Series

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?

5

Will octopus farms yield 3000 tonnes of octopuses in one year before 2026?

9

Animal Welfare Series

Will space-based technology enable effective enforcement of the UN High Seas Treaty to reduce marine pollution and protect marine ecosystems before 2027?

4

Space Technology & Climate

Orbital Allies: How Space Technology Fuels Sustainable Development and Climate Action

9

Space Technology & Climate