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What will global CO2 emissions (in tonnes) be in the following years?

152 forecasters

25

Forecasting Our World in Data

Will the following years be the warmest year on record?

11

Ragnarök Question Series: If a global catastrophe occurs, will it be due to either human-made climate change or geoengineering?

265 forecasters

34

Ragnarök Series

How much greenhouse gas will be emitted globally in 2030, in gigatonnes of CO₂ equivalent?

7

Before 2100, will there be a 5-year period with an average global temperature >3.6˚C warmer than the 1861-1880 baseline?

137 forecasters

19

Ragnarök Question Series: if a global climate disaster occurs by 2100, will the Earth's human population decline by 95% or more?

188 forecasters

7

Ragnarök Series

Ragnarök Series—results so far

31

Ragnarök Series

When will the global annual mean surface air temperature moving average first exceed 1.3°C relative to the 1951-1980 base period?

8

Will a major cryptid discovery be made by 2040?

16

If >100 offensive nuclear detonations occur in a single conflict by 2030, will this cause a global temperature drop of ≥3°C?

4

Nuclear Risk Horizons Project