this post was submitted on 07 May 2025
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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 wealthiest 10% have contributed to two-thirds of global warming since 1990, study finds (phys.org)
submitted 2 months ago by RockBottom@feddit.org to c/climate@slrpnk.net
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cross-posted from: https://slrpnk.net/post/21822936

"If everyone had emitted like the bottom 50% of the global population, the world would have seen minimal additional warming since 1990,"

The study assesses the contribution of the highest emitting groups within societies and finds that the top 1% of the wealthiest individuals globally contributed 26 times the global average to increases in monthly 1-in-100-year heat extremes globally and 17 times more to Amazon droughts.

The research sheds new light on the links between income-based emissions inequality and climate injustice, illustrating how the consumption and investments of wealthy individuals have had disproportionate impacts on extreme weather events

Our study shows that extreme climate impacts are not just the result of abstract global emissions, instead we can directly link them to our lifestyle and investment choices, which in turn are linked to wealth,"

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[โ€“] will_a113@lemm.ee 81 points 2 months ago (14 children)

It takes only around $850k of net worth to be in the global 1% for wealth. Minimum wage ($7.25/hr) will put you in the top 10% of wages. So this really just says industrialized nations have been responsible for most emissions.

[โ€“] Boomkop3@reddthat.com 5 points 2 months ago

That might not have been true for the entirety of time since the 90's

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