this post was submitted on 12 Apr 2024
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Climate - truthful information about climate, related activism and politics.

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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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EVs are booming but electric bikes are really cutting emissions (www.theguardian.com)
submitted 7 months ago by toaster@slrpnk.net to c/climate@slrpnk.net
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[–] tunetardis@lemmy.ca 7 points 7 months ago

Here's the thing though. I arrived at the conclusion that buying both a car and an ebike is cheaper than buying a car alone, provided the bike replaces the car for the bulk of your trips. You save enormous amounts in fuel and maintenance. The amount of electricity you consume is a rounding error on your monthly bill while you need to budget for fuel when driving, and automobile maintenance costs are easily 10x higher than for a bike. And last but not least, you can go for a long time without replacing your car since you put so little mileage on it, and when you do go looking for a replacement, you can lower the bar in looking for a bargain. Since it's something you will only drive sporadically, it doesn't have to be great.