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The global climate crisis has scientists sounding the alarm about the potential collapse of a vital oceanic system that could wreak havoc across the planet. The Atlantic Meridional Overturning Circulation (AMOC), often described as the Earth’s central heating system, is weakening at an alarming rate. If it collapses, the consequences could include severe droughts, rising sea levels, frozen European winters, and a reduction in the ocean’s ability to absorb carbon dioxide—a critical function in mitigating climate change.  

 

The AMOC operates as part of the global conveyor belt, a system of deep-ocean currents driven by temperature and salinity. This intricate circulation moves warm water northward and cold water southward, helping to regulate global temperatures and sustain marine ecosystems by transporting nutrients. However, an influx of freshwater from melting glaciers and ice sheets—particularly in Greenland and Canada—is disrupting this delicate balance. Freshwater, being less dense than saltwater, slows the currents, compounding the already fragile state of the AMOC.  

 

Recent research from the University of New South Wales highlights the accelerating impact of climate change on this crucial system. The study reveals that the AMOC is now weaker than at any point in the past thousand years and is projected to become one-third weaker than its strength 70 years ago if global temperatures rise by 2 degrees Celsius above preindustrial levels. Such a temperature increase could trigger simultaneous climate disasters, from extreme weather to ecological collapse.  

 

The situation grows more dire when factoring in the accelerated melting of Greenland’s ice sheet. The study warns that the AMOC could weaken by an additional 30% by 2040—two decades earlier than previously anticipated. These findings challenge the projections of the United Nations' Intergovernmental Panel on Climate Change (IPCC), which has underestimated the speed of the AMOC’s decline, according to Dr. Stefan Rahmstorf, an expert on the subject who was not involved in the study.  

 

“I’ve compared it to sailing with a ship into uncharted waters,” said Rahmstorf. “You know there are rocks under the surface that you can’t see. It’s dangerous, but you don’t know exactly where they are. That’s the kind of situation we are facing here.” While the collapse of the AMOC would not be immediate, it would unfold over 50 to 100 years once the tipping point is reached. However, this tipping point could arrive within a few decades, a scenario Rahmstorf describes as “entirely plausible.”  

 

The implications of such a collapse are severe, with impacts requiring further study. Yet Rahmstorf emphasized the urgency of prevention over analysis. “It’s more important to try and prevent this from happening than studying in more detail what it would mean. Of course, we can do both at the same time, hopefully,” he said.  

 

Rahmstorf and 43 other international scientists recently issued a stark warning to the Nordic Council of Ministers, calling for immediate action to avoid crossing this catastrophic tipping point. Among the co-signers were UC Riverside’s Dr. Wei Liu and NASA’s Dr. Anastasia Romanou, who highlighted the inadequacies of current climate models.

 

“The IPCC had said, for example, that we don’t expect this to happen before 2100,” Romanou explained. “But what people don’t realize is that the IPCC models don’t simulate ice sheet collapse or extreme events like the ones we’ve witnessed in recent years.” She added that while the precise timing remains uncertain, the collapse of the AMOC could happen within decades and would be nothing short of catastrophic. “Whether it happens in 20, 30, or 50 years, we have to take measures now to avoid these effects.”  

 

The path forward is clear to many scientists: reduce greenhouse gas emissions drastically to limit further warming. The world must act swiftly to preserve this critical ocean system and stave off the devastating impacts of its collapse.

 

Based on a report by The Independent 2024-12-02

 

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Posted

Ha ha ha everybody berates Trump meanwhile many cities like Dehli, Bangkok suffocate on their own fumes & pollution, furthermore the increase in earths carbon follows an almost identical upward trajectory to the industrialization of Communist China for the last 30 years. So stop bleating like dumb sheep browsing on media headlines and deal with reality while you breathe the Bangkok air. 

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Posted

Whatever is told to the nations about stop this practice, stop doing that etc. etc. just isn't going to work. There are nations that will continue along their present course and IMO it is already too late, we've reached a point of no return. However, just how much will 'mother Earth' adjust as the weather/climate patterns change might not be as much as some predict or as some think, it will be worse than current predictions. It will probably be the next generation or two that will either have to adjust or ....In other words, I don't think there is a solution that would be acceptable or affordable. I wonder what would happen to the climate if all flights were grounded, no car usage and no grid to supply electric, for one week?

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Posted
6 hours ago, Real Name Hidden said:

The last thing the world needs is Trump.  The people claiming Trump was 'protected by God' will be singing a different tune when the wrath of God blows their roof off.

 

Glad you finally admit it has nothing to do with Trump, or any other government for that matter, but that it is an irreversible event.

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Posted
1 minute ago, HK MacPhooey said:

There are still too many people accepting all these pseudo scientific reports on impending climate catastrophe when the reality is that we do not have sufficient computing capacity to model more than a fraction of the earth’s atmospheric, oceanic and geographic variables and how they  relate to climatic conditions - we cannot even predict regional weather conditions with any degree of certainty.

 

Sure we have hundreds of thousands of scientists working the issues and finding just the right results to justify the scaremongering that their paymasters (whoever they are) wish to put on us gullible sheeple.

 

David Bowie told us we only had ‘Five years’ back in 1973 and here we are fifty years later - if we couldn’t trust Bowie then, why should we trust the scientists today🤨

Oh dear, I suppose you get a happy life. I'm sure you know what your head is made for? Wearing an Alu-hat.

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Posted
6 hours ago, thaibeachlovers said:

You do know that Trump was POTUS before and none of your chain rattling happened, don't you? It was pretty good as we didn't have any American wars starting for 4 years.

 

BTW, what has Trump to do with this topic? Are you compelled to put silly anti Trump posts in every thread?

Its the acronym syndrome...

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Posted

Gaia has a limited array of tools to protect herself from threats.

Plague

Pestilence

Natural disaster

War

Climate

Religious fervour

 

Be assured she can, does, and will, deploy these to protect her continuing existence.

Be assured that she will succeed... with or without the continued existence of humanity.

Our entire existence is but a blink of an eye to her.........

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Posted

I thought the UK was going to be submerged by now .

 

We really could use more expertise from @Danderman123.

 

Our former global warming. climate change, ozone layer and polar caps expert.

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