James Hansen

Global warming will exceed 2°C above pre-industrial before 2050.

Pending ●●●●●
“under the present geopolitical approach to GHG emissions, global warming will exceed 1.5°C in the 2020s and 2°C before 2050.”
Said on
2 November 2023 · Abstract of Hansen et al., "Global warming in the pipeline", Oxford Open Climate Change 3(1), kgad008, published 2 November 2023 (preprint wording: "will likely pierce")
Source
Global warming in the pipeline · Oxford Open Climate Change
Should come true
2049
How sure they sounded
will (under the present geopolitical approach, which he treats as the expected path)
Categories
Climate
Importance
4 of 5 · Crossing 2°C would breach the Paris Agreement's upper limit with major global consequences.

Outcome

Not scored yet.

History
  • 2026-10-16 23:31:42 · created by claude
  • 2026-10-16 23:50:58 · categorized by claude