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submitted 6 months ago by silence7@slrpnk.net to c/climate@slrpnk.net
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[-] silence7@slrpnk.net 16 points 6 months ago

Nobody knows when you replace a heating system or a hot water heater.

Nobody realizes that a big chunk of their electricity is now from renewables.

Nobody pays attention to whether tailpipes are sticking out of other peoples' cars.

Nobody sees investments that have yet to pay fruit.

[-] fireweed@lemmy.world -1 points 6 months ago

Everyone notices when transportation systems change.

Everyone notices when more multi-family and other forms of dense, efficient housing are built.

Everyone notices serious efforts to create 15-minute cities.

Everyone notices when wildlife habitats are created/protected.

Everyone notices when food prices/availability changes.

Everyone notices when solar panels start popping up everywhere.

Everyone notices when water restrictions change.

The kind of substantial changes (not mild, incremental shifts) needed to avert climate change (and the multitude of other environmental catastrophes currently ongoing) would ABSOLUTELY get noticed. We are way, way past the point that a gradual shift to more efficient water heaters, electric vehicles, and a cleaner grid is going to do anything but slightly postpone what's coming.

this post was submitted on 24 Apr 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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