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Metaculus is an online forecasting platform focusing on topics of global importance.

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Will any official weather station in India record air temperatures of at least 55.0°C (131.0°F) for three or more consecutive days before January 1, 2050?

22 comments
3
3 forecasters
%chance

What will the average global surface air temperature be in 2026 relative to the pre-industrial baseline?

1.45 °C (1.41 - 1.5)

66 comments
693
693 forecasters
1.45 °C
(1.41 - 1.5)

Will the following years be the warmest year on record, according to NASA?

13
4646 comments
104
104 forecasters

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

22% chance

20
88 comments
148
148 forecasters
22%chance

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

29
2020 comments
192
192 forecasters

Will India’s climate-driven risk rise more than 10% in 2027 relative to 2022?

31% chance

4
33 comments
19
19 forecasters
31%chance

Five years after AGI, what will be global carbon emissions?

32.1B billion tonnes (20.5B - 42.9B)

2
22 comments
23
23 forecasters
32.1B billion tonnes
(20.5B - 42.9B)

Will the EU rank above the US and China every year until 2030, according to the Climate Change Performance Index?

96% chance

3
11 comment
39
39 forecasters
96%chance

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

48.1 Gt CO₂e (41.9 - 55.1)

8
22 comments
40
40 forecasters
48.1 Gt CO₂e
(41.9 - 55.1)

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

1% chance

7
77 comments
199
199 forecasters
1%chance

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

10% chance

35
5252 comments
296
296 forecasters
10%chance

Will carbon dioxide emissions from fossil fuels and industry exceed 20 gigatons per year in 2050?

67.6% chance

5
11 comment
29
29 forecasters
67.6%chance

Renewables >55% global electric gen. by 2030? → First Year of Global Temperature Above 2˚C?

3
44 comments
1
1 forecaster

China CO2 Emissions Reduction by 60% by 2030 → First Year of Global Temperature Above 2˚C?

3
11 comment
5
5 forecasters

Solar Power Dominates Renewables by 2031? → First Year of Global Temperature Above 2˚C?

2
11 comment
5
5 forecasters

2100 CO2 emissions exceed 20 gigatons/year? → 2100 Greenhouse Gas Emissions?

2
0 comments
5
5 forecasters

Longbets series: will the annual average temperature anomaly above the 1850-1899 baseline be 2.0C or higher by 2037?

31% chance

10
66 comments
54
54 forecasters
31%chance

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

25% chance

4
1313 comments
47
47 forecasters
25%chance

Ragnarök Series—results so far

31
3434 comments

The Colorado River and the Southwestern US Under Climate Change

9
11 comment

Space Sector ‘Greenification’

10
11 comment

Biodiversity, Keystone Species, and E.O. Wilson's Half Earth

5
11 comment

The Climate Tipping Points Tournament

17
11 comment

Climate — Last Wave and $2,500 for Comments

9
55 comments