this post was submitted on 03 Mar 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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Energy efficiency of active travel (walking, cycling, ebike) compared to an electric car (slrpnk.net)
submitted 8 months ago* (last edited 8 months ago) by [email protected] to c/[email protected]
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[–] [email protected] 1 points 8 months ago (1 children)

<7km is too far to bike?

Oh man. Well, I agree on the other things you said, but... 6.4 km isn't that much. It's a fair bit, yeah, but not that much. With an e-bike, it's not really even a thing. I chose to use the healthcare in the next city over (I live on the border of two cities) and I have about ~7km whenever I go there. 10-15 min with an ebike. With a regular one it'd be a chore, but it wouldn't take much longer, 20-25 minutes maybe with a loose pace.

But yeah biking definitely can't replace everything. I mean, cargo bikes exist, but still.

With mobility issues, we now have a lot of mobility "scooters" that go about 25km/h per the EU regulations. Like a super buffed up wheelchair. with a sort of chassis. Small enough to fit in the back of a taxi-van that has a disabled lift, but still quick enough to use in a similar way as a bike.

Still tho. I want my cheap rental ecars.

[–] [email protected] 1 points 8 months ago (1 children)

Bikes don't have to replace everything to make a big difference. Something like "use them as the default choice for shorter distances" makes a big difference.

[–] [email protected] 1 points 8 months ago

Oh definitely.

I would like to one day see one of those horrible American cities that you can't even traverse on foot / bike, but I don't want to step a foot in the US, with the whole fucked up corruption, military-industrial complex, and the whole budding protofascism.