this post was submitted on 17 Sep 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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Norway: electric cars outnumber petrol for first time in ‘historic milestone’ | Nordic country, paradoxically a major oil producer, has set target for all new cars sold to be zero emission (www.theguardian.com)
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[–] Hello_there@fedia.io 3 points 2 months ago (1 children)

Can you comment on

  • the general speed of infrastructure -how many kW? More slow or DC fast?
  • price difference between home rates and public fast chargers
  • do most people seem to be charging at the DC fast chargers, at home, or at slower chargers outside shopping and etc.
[–] AppealingShanty@lemm.ee 4 points 2 months ago

These are my observations, however I haven't fact checked.

Most new chargers are 150kW I believe, however many of the older ones are 50kW. Tesla also has quite a few superchargers, where some (or maybe all?) of their chargers are opened up for other cars. (In Europe, or at least Norway, Tesla doesn't use their own proprietary plug)

There are comparatively very few public AC chargers, but many (most?) people have one at home, since charging directly from the socket is legally regarded as a backup solution. Most people charge at home and use the DC chargers for longer trips.

I believe the price per kW for DC charging is about 6 times more expensive than charging at home.