this post was submitted on 07 Dec 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.

Recommended actions to cut greenhouse gas emissions in the near future:

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Canada Orders Emissions Cuts Up to 38% for Oil and Gas Firms (ca.finance.yahoo.com)
submitted 11 months ago* (last edited 11 months ago) by silence7 to c/climate
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The official announcement is here

For context, the bulk of emissions from the oil and gas industry happen when their products are burned. These emissions are not covered by this.

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[–] sonori@beehaw.org 5 points 11 months ago

The bulk may not be, but they still account for about a fifth of all oil and gas emissions, that’s not nothing. I don’t know if this Canadian law specifically is targeting methane leaks, but given how much they contribute and how trivial they are to stop it makes sense to go after them. While the whole industry needs to be dismantled to get to net zero, cuting this part of it now may buy valuable time.