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submitted 9 months ago by MrMakabar@slrpnk.net to c/climate@slrpnk.net
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[-] jadero@slrpnk.net 2 points 9 months ago

The ban on combustion vehicles is a ban only on sales of new combustion vehicles. It's a start, but a step that should have been taken 30 years ago so that we'd already be 10 years into the ban. That 30 year gap is exactly what I meant when I said that there has been no real action associated with any "commitment" to date.

Free heat pumps for the poor is inaccurate. Maximum $5000 dollars, including electrical upgrades and professional installation by certified professionals. That means a maximum of about 20,000 BTU, probably less. My cost would be somewhere in the $6-8k range, partly because of our requirements, partly because of the substantial electrical upgrades, partly because of how far we are from certified installers. Oh, and we don't qualify anyway, because the only housing we could afford is a mobile home built in 1968 and nobody thought to remove the axles and hitch. So another couple of grand for something that has no relevance beyond getting past a filter. (To qualify, a mobile home must be on a foundation, where foundation is defined as tied down, no axles, no hitch.)

It's true that only a minority of our population works in mining, but it's still an important sector. Saying we can shut down mines because they don't employ many people is like saying we can shut down agriculture because it doesn't employ that many people. The transition away from fossil fuels doesn't eliminate the need for raw materials.

Electrifying the rail network is a good idea, but Canada has spent the last 50 years moving away from rail and really accelerated that project about the time we should have been stabilizing and adding to it.

Building codes are also at least 30 years behind the times. Here in Saskatchewan, there was a 1980s project to figure out how to build a truly low-energy house. With the right construction techniques, plenty of insulation, and passive heating and cooling, they cut energy requirements so far that it wasn't even worth hooking up to natural gas. And there is still nobody building like that.

this post was submitted on 13 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.

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