this post was submitted on 22 Dec 2023
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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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World's richest 10% produce half of global carbon emissions, says Oxfam (2015) (slrpnk.net)
submitted 11 months ago* (last edited 11 months ago) by iraq_lobster@slrpnk.net to c/climate@slrpnk.net
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https://www.theguardian.com/environment/2015/dec/02/worlds-richest-10-produce-half-of-global-carbon-emissions-says-oxfam

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[–] perestroika@slrpnk.net 13 points 11 months ago* (last edited 11 months ago) (1 children)

But how much are "lifestyle consumption emissions" compared to total emissions? I have never seen the term before, so I cannot put it in context.

What I imagine:

  • if a poor person heats 30 square meters, and a rich person heats 3000 square meters, that is a lifestyle-related emission, and will differ considerably
  • if a poor person drives a car, but a rich person drives a luxury car, emissions will differ, but not considerably (the poor person's car is old, while the rich person's car has engine volume like a truck), but if the poor person has no car, emissions will differ considerably
  • however, if the rich person takes a plane ride every week, and the poor person twice per year or once per decade, that will differ considerably
  • both persons will need to eat, but if the rich person eats fancy food, maybe the transport, packaging and other factors add up to make a considerable difference? or maybe not...

...etc. A breakdown of how would be nice to see.