this post was submitted on 25 Apr 2024
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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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Gas companies tell us mixing gas and hydrogen is a climate solution. New research shows it's not (www.nationalobserver.com)
submitted 6 months ago by silence7 to c/climate
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[โ€“] silence7 2 points 6 months ago

They're not ready to do it except in limited-scale demonstration projects โ€” they're promoting the idea of a transition to hydrogen as a means of creating social permission to keep on burning the largely-methane gas that has been pumped through the pipes for decades.