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What will the upper limit in the IPCC's ‘likely’ range of its climate sensitivity estimate be in its 7th Assessment Report?

12

Will a geoengineering act of Congress become US federal law by the end of 2024?

8

Assuming that the Green Party joins the federal government following the German federal elections on September 26th, 2021, what will be German per capita CO2 emissions in 2025?

7

How much concern about climate change will exist in 2025, according to Google Trends?

4

How much higher will peer-reviewed U.S. methane emission measurements be compared to the U.S. Environmental Protection Agency’s reported measurements in any 12 month period between 2021-2025?

3

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

25

Forecasting Our World in Data

When will the US implement a national carbon tax or carbon pricing mechanism?

16

Ragnarök Question Series: If a global catastrophe occurs, will it be due to biotechnology or bioengineered organisms?

34

Ragnarök Series

Will Rossi's 1MW "E-Cat" tests lead to continued significant financial investment?

Resolved :Ambiguous

11

Will radical new "low-energy nuclear reaction" technologies prove effective before 2019?

23