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submitted 3 days ago by [email protected] to c/[email protected]
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[-] [email protected] 22 points 3 days ago* (last edited 3 days ago)

One of the reasons we don't call it global warming as much as opposed to the more accurate, climate change.

In the US we had some dumbshit Republican walk in with a snowball saying "iF GlObAl WaRmInG iS rEaL wHy Is ThErE sNoW!?"

[-] [email protected] 11 points 3 days ago

It's global warming in the sense that the global average temperature increases.

[-] [email protected] 9 points 2 days ago* (last edited 2 days ago)

We know that but the average numpty doesn't understand the difference between climate and weather and that ignorance is being exploited through manipulation of rhetoric.

[-] [email protected] 7 points 2 days ago

In short term, the trends are opposite to Europe or its coastal Atlantic having colder winters, and this opposite trend has many reasons to continue with more warming.

  1. Tropical Atlantic is getting warmer. Even if current flow northward slows down, the amount of heat flowing could stay about the same.

  2. Air termperatures are warming entire oceans, but especially North Atlantic from North American westerlies.

  3. Arctic ocean is not melting at an accelerated rate. It is not freezing as much in winter. This is feedback from hotter oceans in summer, and there is in fact an extreme record low Arctic sea ice volume now and this winter. https://ocean.dmi.dk/arctic/icethickness/thk.uk.php

  4. That feedback pattern comes from early summer sea ice extent loss. Hot open Arctic ocean is more the result of baking in the sun for 20+ hours per day then AMOC. Ice regrowth is slowed. Number of days ice free is as important as air temperature

  5. Europe's winter weather depends on coastal Atlantic sea temperature. That can keep getting warmer despite slower AMOC from above factors.

[-] [email protected] 6 points 3 days ago

Oh please oh please. These heatwaves are killing me.

Let there be a silver lining to the 1% destroying the planet.

[-] [email protected] 4 points 2 days ago

Well, looking at the temperatures you see in northern Canada, the summers are like +35 °C and it rains all the time, but the winters go down to -35 °C. Occasionally, the temperature will go down to -40...-50 °C, but fortunately that doesn't last the whole week.

[-] [email protected] 5 points 2 days ago

The thing about AMOC collapse is that its partially triggered by Greenland glaciers melting so this would be something that would be irreversible. Even if we got all CO2 back out of the atmosphere it may not restart. Then we would be in a situation where big parts of Europe would be against carbon neutrality or reversing climate change, because it would make Europe even colder.

[-] [email protected] 0 points 2 days ago* (last edited 2 days ago)

Global warming has accelerated significantly and by most metrics now, we're looking to hit 4c by the end of the century. There's a preprint of the paper the video is based on here if you'd prefer, but the video link opens to a time stamp with a graph you might find interesting.

Reversing climate change is a pipe dream and 'carbon neutrality' is little more than a marketing term. We have literally done everything possible as a species to cause this catastophic climate collapse we're in, and basically fuck all to mitigate it.

It's pointless to worry about how eco friendly the dying gasps of humanity are going to be, we're not surviving this.

[-] [email protected] 2 points 2 days ago

Elfstedentocht!

this post was submitted on 12 Jun 2025
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Discussion of climate, how it is changing, activism around that, the politics, and the energy systems change we need in order to stabilize things.

As a starting point, the burning of fossil fuels, and to a lesser extent deforestation and release of methane are responsible for the warming in recent decades: Graph of temperature as observed with significant warming, and simulated without added greenhouse gases and other anthropogentic changes, which shows no significant warming

How much each change to the atmosphere has warmed the world: IPCC AR6 Figure 2 - Thee bar charts: first chart: how much each gas has warmed the world.  About 1C of total warming.  Second chart:  about 1.5C of total warming from well-mixed greenhouse gases, offset by 0.4C of cooling from aerosols and negligible influence from changes to solar output, volcanoes, and internal variability.  Third chart: about 1.25C of warming from CO2, 0.5C from methane, and a bunch more in small quantities from other gases.  About 0.5C of cooling with large error bars from SO2.

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