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.

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

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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 silence7@slrpnk.net to c/climate@slrpnk.net
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[–] Dasus@lemmy.world 4 points 8 months ago* (last edited 8 months ago)

I live in a city with very good public transport which I use constantly. I also have an E-bike.

However, one needs to note that if I buy something big (extra lot of groceries, a new computer, a painting, anything that doesn't fit in a backpack), using PT is pretty inconvenient. Especially when I'd be faster just carrying the thing home from Ikea, since I only live some 2km away, but the bus routes don't go across the boroughs (but radially from the center outwards, with a few "lateral" buses), so I'd take two buses and it'd be some 10km. And if it's raining and I have an item that shouldn't get wet...

Also, taking a cat to the vet for instance.

I'm just waiting on when public transport will be supplemented with small city EV-s you can rent for a few hours cheaply. Like those e-scooters, but small cars, and with more regulations.

I know an apartment building which gives the tenants (mostly young students) the option to reserve and rent an EV for just a few euros an hour. And you don't need to fill the tank, so it's pretty nice.