The Gulf Stream, a vital system of ocean currents, is at risk of collapsing due to climate change. A new study suggests that the Gulf Stream system could collapse as soon as 2025, bringing catastrophic climate impacts. The shutting down of the vital ocean currents, called the Atlantic Meridional Overturning Circulation (Amoc) by scientists, would have enormous implications, including influencing temperature and precipitation patterns around the world. The Gulf Stream is already at its slowest point in at least 1,600 years, and climate scientists have detected warning signs of its collapse[1].
https://medium.com/media/efe683a4f8f57a412b3632c1d3db7ef1/href
The new analysis estimates a timescale for the collapse of between 2025 and 2095, with a central estimate of 2050, if global carbon emissions are not reduced. Evidence from past collapses indicates changes of temperature of 10C in a few decades, although these occurred during ice ages. The analysis is based on greenhouse gas emissions rising as they have done to date. If emissions do start to fall, as intended by current climate policies, then the world would have more time to try to keep global temperature below the Amoc tipping point[1][2].
The most recent assessment by the Intergovernmental Panel on Climate Change concluded that Amoc would not collapse this century. But the models used have coarse resolution and are not adept at analyzing the non-linear processes involved, which may make them overly conservative. The potential collapse of Amoc is intensely debated by scientists, who have previously said it must be avoided “at all costs”[1][3].
The Gulf Stream system is a major driver of climate, and its collapse would have enormous implications, including much more extreme winters and sea level rises affecting parts of Europe and the US, and a shifting of the monsoon in the tropics. The likelihood of the collapse of the Gulf Stream is increasing with every gram of CO2 that we put into the atmosphere. The potential collapse of the Gulf Stream is intensely debated by scientists, who have previously said it must be avoided “at all costs”[1][4].
The Gulf Stream is a vital system of ocean currents that has a significant impact on the climate of the planet. The potential collapse of the Gulf Stream is a serious concern that must be addressed urgently. The consequences of its collapse would be catastrophic for the climate and affect every person on the planet. It is essential that we take action to reduce carbon emissions and prevent the collapse of the Gulf Stream. The international community must work together to address this issue and take steps to mitigate the impact of climate change.
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Citations:
[1] https://www.theguardian.com/environment/2023/jul/25/gulf-stream-could-collapse-as-early-as-2025-study-suggests
[2] https://www.irishtimes.com/environment/climate-crisis/2023/07/25/gulf-stream-could-collapse-as-early-as-2025-study-suggests/
[3] https://www.linkedin.com/pulse/gulf-stream-could-collapse-early-2025-report-journal-nature-george
[4] https://moderndiplomacy.eu/2023/07/30/gulf-stream-could-collapse-as-early-as-2025/
[5] https://www.linkedin.com/posts/terencetanwj_gulf-stream-could-collapse-as-early-as-2025-activity-7089745346884419585-7WQI?trk=public_profile_share_view
[6] https://news.slashdot.org/story/23/07/25/184200/gulf-stream-could-collapse-as-early-as-2025-study-suggests
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