this post was submitted on 19 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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'No place in our homes' | Hydrogen blends leak twice as much in household cookers compared to gas: report | leakage rate is likely to wipe out any climate benefits of using H2 in the first place (www.hydrogeninsight.com)
submitted 6 months ago by [email protected] to c/[email protected]
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[–] mojofrododojo 9 points 6 months ago (2 children)

....or you could just, you know, not use gas.

I know it's upsetting to some folks but the health concerns are wild (especially if you have kids in the house, seriously) and it's use and the leaky infrastructure pour too much into an already overburdened env.

seems like the logical move.

[–] Fosheze 6 points 6 months ago

That's why this was the last thing I said in that text wall.

Even then it would still be nowhere near as practical as just switching to electric appliances.

As much as I love my gas stove and my water heater that needs no electricity, I do acknowledge that they need to go at some point. I'm personally waiting for heat pump appliances to get cheaper or for my finances to get better so I can afford them. Heat pump water heaters and driers are far more efficient than their resistive electric counterparts. Decent induction stoves are also too spendy for me right now.

[–] [email protected] 3 points 6 months ago* (last edited 6 months ago) (1 children)

There is some nuance here. The efficiency of electric depends partially on how it's produced, and if (emphasis on IF) your local power station burns fossil fuels, and what you're after is heat, then burning the gas inside your house is (generally) far more efficient than burning it in a power station to generate electricity that you then turn back into heat inside your house. There are exceptions, but

Of course the best thing to do is to turn renewable (or long-lasting) forms of energy into electricity. The sun ain't gonna stop shining, the wind ain't gonna stop blowing, magma ain't about to get cold, and those spicy rocks are gonna stay spicy. There's no reason for us to be turning carbon into heat into electricity and back into heat in current year.

[–] mojofrododojo 3 points 6 months ago

I'm fortunate that the vast majority of our power comes from hydro.

I hope we can convert to wind and solar before that snow melt ends.