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 silence7@slrpnk.net to c/climate@slrpnk.net
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[–] thatsnothowyoudoit@lemmy.ca 10 points 8 months ago (3 children)

I believe most e-bikes in Europe are limited to 25km/h. 32km/h in Canada.

[–] Marin_Rider@aussie.zone 1 points 8 months ago

same in australia

[–] tunetardis@lemmy.ca 1 points 8 months ago

I'm in Canada and my e-bike does indeed have a 32km/h limiter. I was a little amused, though, to discover that there is a phone app which can lift this limit, so it appears to only be in software. But I have left it at 32 regardless. I'm perfectly happy with that.

[–] anivia@lemmy.ml 0 points 8 months ago (1 children)

Depends on the country and the type of ebike.

[–] thatsnothowyoudoit@lemmy.ca 1 points 8 months ago

I think it’s safe to assume the post author means level 1 e-bikes. IE those that are unmodified/legal in their jurisdictions and require the rider to pedal for assist.