this post was submitted on 09 Sep 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.

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

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‘China Is the Engine’ Driving Nations Away From Fossil Fuels, Report Says (www.nytimes.com)
submitted 1 day ago by silence7@slrpnk.net to c/climate@slrpnk.net
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Its vast investment in solar, wind and batteries is on track to end an era of global growth in the use of coal, oil and gas, the researchers said.

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[–] P00ptart@lemmy.world 1 points 1 day ago (3 children)

But that's exactly my point, is that grocery stores could be greedy and win ecologically. Emphasize the profit you can make in utilizing wasted space like roofs or parking lots and it just makes sense from a business perspective. I know I would be more likely to shop at a grocery store that had shaded parking lots, even if the real goal for it was to lower bills for higher profits. They lower their bills and get more customers, that's a two fold win for big stores.

[–] whiwake@lemmy.cafe -1 points 1 day ago (2 children)

I see. Well, the investment price for panels to reduce their own usage is significantly more than just paying the electric bill.

[–] P00ptart@lemmy.world 1 points 1 day ago (1 children)

Initially, sure, but it winds up generating profit after it's made up the cost.

[–] whiwake@lemmy.cafe 0 points 1 day ago

It would take many years to pay itself off, and after that it does not generate profit it just generates savings. The incentive is just not there, or everyone would be doing it.

What we need our local governments to create solar, wind, etc. power generating options and to just simply provide that power at no cost. construction would come out of taxes, just like a bridge, and it helps everyone.

Obviously that will never happen, at least in the United States.