this post was submitted on 22 Oct 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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Hydrogen boiler push to continue despite verdict of UK watchdog (www.theguardian.com)
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[–] bernieecclestoned 1 points 1 year ago* (last edited 1 year ago) (1 children)

A gas boiler that can burn 30% hydrogen is less than £3k. I just bought one, and the cost of the heat pump was £10k. Plus electricicty is at least 4x more expensive than gas, so there is no saving.

The economics just don't work. No one is going to replace their existing boiler with a heat pump.

Converting gas turbines to burn hydrogen is a good idea. We need multiple solutions to transition. There is no silver bullet