this post was submitted on 25 Jan 2024
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Climate - truthful information about climate, related activism and politics.

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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.

Recommended actions to cut greenhouse gas emissions in the near future:

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The report looked at “major,” “severe,” and “extreme” scenarios. The authors found that the “major” case would cost the world $3 trillion over a five-year period, which they estimated has a 2.3% chance of happening per year. Over a 30-year period, those odds equate to about a 50% probability of occurrence — assuming the risks are not increasing each year, which they are.

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[–] hperrin@lemmy.world 13 points 1 year ago (2 children)

I think I’ve driven past that trailer before. It’s off the 5 freeway in California’s Central Valley. The guy who puts them up is not a climate activist. He’s just very Republican and blames Gavin Newsom and the Democrats for water being expensive in California.

[–] Anticorp@lemmy.world 7 points 1 year ago

You're right! I've seen that too. It's near the billboards that say "pray for rain".

[–] silence7@slrpnk.net 3 points 1 year ago (2 children)

Is this comment responding to the wrong thing?

[–] hperrin@lemmy.world 8 points 1 year ago

The thumbnail on the preview card and the header image in the article is what I meant.

[–] ratman150@sh.itjust.works 5 points 1 year ago

The trailer is in the thumbnail.

[–] KnowledgeableNip@leminal.space 9 points 1 year ago (1 children)

Lack of food and water will lead to war, and the war machine will pump even more carbon into our atmosphere, leading to more drought and less food and water. It's a self-sustaining cycle and I've no idea how we avoid it at this point.

[–] KryptonNerd@slrpnk.net 1 points 1 year ago

Good water recycling systems (and desalination systems for those on the coast) combined with low cost and distributed synth bio based food production (i.e. precision fermentation, or biomass fermentation) could help relieve some of the strain on the food and water needs.

[–] Emi621@lemmy.blahaj.zone 1 points 1 year ago

Don't worry, the nuclear winter will cancel it out.