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submitted 7 months ago by toaster@slrpnk.net to c/climate@slrpnk.net
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[-] hashferret@lemmy.world 5 points 7 months ago

Electric cars + carsharing. The notion that we can completely dismantle or replace car-centric infrastructure in the timescales necessary to address climate change is wishful thinking, but of course so is the idea that we can just electrify everything we currently do and it'll all work out. Some of the pushback to EV production has merit and we simply cannot replace every ICE car on the road in the US with an EV. We need fewer cars and we need them to be used more effectively and sensibly. I love off roading, I totally understand wanting to be able to drive a lifted 4x4 when it's appropriate. The trick is not having to drive a 20mpg vehicle on your commute everyday, or to the grocery store. Living car-less in the US needs to become more practical and that means we need to serve all of a persons needs. Public transit, bikes, and walking can serve us well enough in our daily lives. But leisure, hobbies, and other edge cases also need to be supported through things like affordable carsharing services or rentals. If someone needs to own a car to occasionally go hiking in the mountains then that car needs to be built, maintained, and will likely be a convenience crutch as opposed to if there were a viable low cost (and preferably electrified) rental for destinations that transit and other methods cannot reach.

this post was submitted on 19 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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