Talk:Ice age

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Intro: Data provided about the anthropogenic delay in the next ice age is misleading

The last sentence in the intro states "The amount of anthropogenic greenhouse gases emitted into Earth's oceans and atmosphere is predicted to prevent the next glacial period for the next 500,000 years," but is not supported by the three links provided. The third link does project a 500,000 year delay, but the second posits only a 50,000 year delay. The sentence should be changed to something like: "The amount of anthropogenic greenhouse gases emitted into Earth's oceans and atmosphere is predicted to prevent the next glacial period by 50,000 to 500,000 years," 184.170.161.43 (talk) 14:13, 3 July 2022 (UTC)[reply]

and likely more after

The amount of anthropogenic greenhouse gases emitted into Earth's oceans and atmosphere is predicted to delay the next glacial period by between 100,000 and 500,000 years, which otherwise would begin in around 50,000 years, and likely more glacial cycles after.

That last phrase needs rewriting; it looks like an orphaned fragment. Does it mean later glaciations would also be delayed (as seems redundant, if more than one would otherwise be expected within that demi-megayear)? Or that the second future glaciation would be delayed by even longer? Or, on the contrary, that this delay makes a second and third future glaciation more likely? —Tamfang (talk) 19:29, 1 February 2023 (UTC)[reply]

I agree. The comment is unclear and I have deleted it. Dudley Miles (talk) 20:51, 1 February 2023 (UTC)[reply]

Photo is not correct - the sea during an ice age is about 120m down

Hello, considering this photo

"An artist's impression of ice age Earth at glacial maximum."

there has to be considered that the sea leve during an ice age is 120m lower than we have now.

So this vision should show much more soil and less sea according to the seabed map.

Have a nice day, Michael Palomino

history: http://www.hist-chron.com/index-ENGL.html

Signature: ---~~ 2A02:1210:5295:F000:B5C6:49FA:3183:B9FE (talk) 12:56, 18 July 2023 (UTC)[reply]

We are in an ice age right now. What? Also, since last time we were out of ice age 2.5 million years ago the sea level was lower. Valery Zapolodov (talk) 16:17, 14 August 2023 (UTC)[reply]

Link 35 is broken

Link 35 to a 2004 Scientific American article is broken. 68.193.241.245 (talk) 12:40, 8 February 2024 (UTC)[reply]

Inaccuracies

The article says the last interglacial period lasted 28,000 years, and the current interglacial period started 11,700 years ago, but then claims the next ice would start 50,000 years from now if not for human activity. That's not credible. 24.76.102.121 (talk) 01:12, 17 February 2024 (UTC)[reply]

The estimate for the next ice age is credible but it is just one of many estimates and the text is unclear. I have deleted. Dudley Miles (talk) 10:21, 17 February 2024 (UTC)[reply]

Collapse of the AMOC

This information was removed with the following edit summary: "Not relevant to future ice ages - this is about the results of global warming". Your thoughts?

In October 2024, 44 climate scientists published an open letter to the Nordic Council of Ministers,^[1] claiming that according to scientific studies in the past few years, the risk of collapse of the Atlantic meridional overturning circulation has been greatly underestimated, that it can occur in the next few decades, and that some changes are already happening.^[2] Climate change may weaken the AMOC through increases in ocean heat content and elevated flows of freshwater from melting ice sheets.^[3] The collapse of the AMOC would be a severe climate catastrophe, resulting in a cooling of the Northern Hemisphere.^[4] It would have devastating and irreversible impacts especially for Nordic countries, but also for other parts of the world.^[5] Others disagree.^[6]

References

^ "Earth is racing toward climate conditions that collapsed key Atlantic currents before the last ice age, study finds". Live Science. 31 October 2024.
^ Ditlevsen, Peter; Ditlevsen, Susanne (2023-07-25). "Warning of a forthcoming collapse of the Atlantic meridional overturning circulation". Nature Communications. 14 (1): 4254. arXiv:2304.09160. Bibcode:2023NatCo..14.4254D. doi:10.1038/s41467-023-39810-w. ISSN 2041-1723. PMC 10368695. PMID 37491344.
^ "Historic iceberg surges offer insights on modern climate change". The Current. 2024-05-30. Retrieved 2024-05-30.
^ Cooke, Ben (16 October 2024). "The UK could turn as cold as Scandinavia. Why aren't we preparing?". The Times.
^ Pare, Sascha (22 October 2024). "Key Atlantic current could collapse soon, 'impacting the entire world for centuries to come,' leading climate scientists warn". Live Science. Retrieved 31 October 2024.
^ "expert reaction to paper warning of a collapse of the Atlantic meridional overturning circulation". Science Media Centre. 25 July 2023. Retrieved 11 August 2023.

-- Tobby72 (talk) 20:34, 5 May 2025 (UTC)[reply]

Belongs in the AMOC article, where it is William M. Connolley (talk) 20:43, 5 May 2025 (UTC)[reply]

[1] "Earth is racing toward climate conditions that collapsed key Atlantic currents before the last ice age, study finds". Live Science. 31 October 2024.

[2] Ditlevsen, Peter; Ditlevsen, Susanne (2023-07-25). "Warning of a forthcoming collapse of the Atlantic meridional overturning circulation". Nature Communications. 14 (1): 4254. arXiv:2304.09160. Bibcode:2023NatCo..14.4254D. doi:10.1038/s41467-023-39810-w. ISSN 2041-1723. PMC 10368695. PMID 37491344.

[3] "Historic iceberg surges offer insights on modern climate change". The Current. 2024-05-30. Retrieved 2024-05-30.

[4] Cooke, Ben (16 October 2024). "The UK could turn as cold as Scandinavia. Why aren't we preparing?". The Times.

[5] Pare, Sascha (22 October 2024). "Key Atlantic current could collapse soon, 'impacting the entire world for centuries to come,' leading climate scientists warn". Live Science. Retrieved 31 October 2024.

[6] "expert reaction to paper warning of a collapse of the Atlantic meridional overturning circulation". Science Media Centre. 25 July 2023. Retrieved 11 August 2023.

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