this post was submitted on 06 Feb 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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Data from Climate Reanalyzer says that daily sea surface temperatures for January 2024 are higher than they were in January 2023.

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[–] Xavier@lemmy.ca 25 points 9 months ago (2 children)

Man… I never complained about Winter, I actually love everything about it; the cold, the wind, the hoarfrost, the blizzards, the ice storms, the freezing rain, even the brown slush on the road. However, nowadays snowfalls have become thinner and thinner or even just raining instead and melting away whatever little snow had accumulated. It's sad.

On the other hand, Summer, I turn into a lazy Grinch that avoids the heat and the Sun as if I was a human snowman.

Everytime I see that graph, beyond the constant reminder of the hyperobject that is Climate Change, I am anticipating the dread of a even more scorching summer on its way in a few more months. On top of that, I also have take forest fires in consideration and prepare air filters and/or n100/n95 masks and replacement cartridges for myself, family and older relatives.

It is sad to see we still, all considered, have not yet even begun to lower emissions and will probably continue to argue over keeping the status quo for as long as possible until maybe, unfortunately, entire cities are regularly assailed by amplified natural and man-made disasters in back-to-back sequence and until everyone is affected directly or indirectly by those irreversible damages.

(Reposting my same reply to an identical post as this one regarding daily sea surface temperature; you can check my post history)

[–] CitizenKong@lemmy.world 11 points 9 months ago

And even if we were to stop right now, the effect wouldn't really be felt for another twenty years. We are currently experiencing the effects from 2004.

[–] itslilith@lemmy.blahaj.zone 4 points 9 months ago

We do have a pretty strong el Niño exacerbating the effects, but yes, generally it seems something has tipped and the heating is accelerating. The last 5 years have been pretty brutal, and they are only the first appetizer of what's to come