this post was submitted on 26 Nov 2023
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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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Energy minister says hydrogen will 'not play a major role' in heating homes in the UK (news.sky.com)
submitted 11 months ago by silence7@slrpnk.net to c/climate@slrpnk.net
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[–] vzq@lemmy.blahaj.zone 13 points 11 months ago (2 children)

It’s just a sad ploy for the companies that own the pipes to pretend they can stay relevant for a few more years.

[–] HeartyBeast@kbin.social 8 points 11 months ago* (last edited 11 months ago)

I think there's more to it than that. Much of the UK's existing housing stick will find it difficult to switch to heatpumps in the short-medium term to replace existing gas boilers, so as part of netzero, the UK government did pilots to see if piping hydrogen could be a viable alternative.

Turns out the answer is "no, not really".

[–] silence7@slrpnk.net 7 points 11 months ago

Pretty much