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"Even temporarily exceeding 1.5 degrees Celsius before bringing temperatures back down — a scenario known as an “overshoot” — could cause sea level rises and other disastrous repercussions that might last millenia."

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[-] Rooskie91@discuss.online 26 points 1 month ago

1.5 is gone baby, IPCC says our most probable outcome is 2.4.

It was a good run guys.

[-] HubertManne@moist.catsweat.com 19 points 1 month ago

1.5 was something that was maybe possible if we had immediately, globally have pulled out all the stops and we simply have not done that.

[-] Reverendender@sh.itjust.works 2 points 1 month ago

But pullout out no stops, and lying to each other about it, didn’t help at all?

[-] jaggedrobotpubes@lemmy.world 6 points 1 month ago

It's analogue. It's a fader, not an on/off switch. It's set at 1.5 to give us a buffer between us and 2, which is where it gets really nasty.

But every 0.1 lower is better than 0.1 higher, whether it's above or below 2.

[-] cyberpunk007@lemmy.ca 5 points 1 month ago

Soon we will all be living underground. Hopefully the earthquakes aren't too bad.

this post was submitted on 10 Oct 2024
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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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