James Hansen

The Atlantic Meridional Overturning Circulation (AMOC) will shut down by about 2055.

“shutdown of the Atlantic Meridional Overturning Circulation (AMOC) is likely within the next 20-30 years, unless actions are taken to reduce global warming”

Said on

3 February 2025 · Abstract of Hansen et al., "Global Warming Has Accelerated", Environment: Science and Policy for Sustainable Development, 3 Feb 2025. Condition is the default no-new-action path; explicitly contradicts IPCC conclusions.

Source

Global Warming Has Accelerated: Are the United Nations and the Public Well-Informed? · Environment: Science and Policy for Sustainable Development (Taylor & Francis)

Should come true

2050s

How sure they sounded

is likely (unless actions are taken to reduce global warming)

Categories

Climate

Importance

5 of 5 · An AMOC shutdown would lock in multi-meter sea level rise and reshape climate across the Northern Hemisphere.

Outcome

Not scored yet.