US EditionScientists Warn Key Ocean Current Collapse Could Bring Ice Age
- The Icelandic government is developing a disaster-preparedness policy after Iceland Climate Minister Johann Pall Johannsson said, 'It is a direct threat to our national resilience and security.'
- Warming-Driven meltwater from Greenland's ice sheet and Arctic thaw add cold freshwater that scientists warn could disrupt the Atlantic Meridional Overturning Circulation, which transports warm tropical water north and keeps Europe’s winters mild.
- On Monday, scientists from more than 30 universities and international organizations warned about risks, while the Nordic Council of Ministers funded a 'Nordic Tipping Week' workshop last month, and Northern European ministries are funding more research.
- Risks being evaluated span energy, food, infrastructure and transport, as an AMOC collapse could destabilize rainfall for subsistence farmers in Africa, India and South America and plunge Northern Europe into colder winters while accelerating warming in Antarctica.
- Officials are urging action now, saying 'We cannot afford to wait...,' as scientists warn a collapse could be inevitable within decades and Britain directs over 81 million pounds into research.
52 Articles
52 Articles
Rapid melt from Antarctica could help preserve crucial ocean current
Greenland’s melt is expected to slow the Atlantic Meridional Overturning Circulation, but research suggests a collapse of the West Antarctic ice sheet could in some cases prevent it from shutting down
Equatorial Atlantic mid-depth warming indicates Atlantic meridional overturning circulation slowdown - Communications Earth & Environment
Climate models project an Atlantic Meridional Overturning Circulation slowdown under anthropogenic greenhouse warming. Despite a ~1.5 °C increase in the global mean surface temperature, debate remains on whether and when this circulation has slowed. Here we identify a distinctive temperature fingerprint in the equatorial Atlantic that signals the Atlantic Meridional Overturning Circulation change through numerical ocean model experiments. The eq…
Iceland deems possible Atlantic current collapse a security risk
Iceland has designated the potential collapse of a major Atlantic Ocean current system a national security concern and an existential threat, enabling its government to strategize for worst-case scenarios, the country's climate minister told Reuters.
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