this post was submitted on 27 Jul 2024
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Climate - truthful information about climate, related activism and politics.

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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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We Just Lived Through Two of the Hottest Days Ever. Does Anyone Care? (www.rollingstone.com)
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[–] hobovision@lemm.ee 24 points 3 months ago

Unfortunately we have to do both. We need big industry to reduce but we also need a massive change in our behaviors. Industry must be forced to make these changes because they are purely profit driven and don't take into account 2nd order costs of their actions. People can make choices to improve their personal impact on the environment, and every little bit counts.

For example, if everyone who can uses more public and active transportation, then that leaves more capacity for those who can't. Making less cars is better than making more EVs. Personal transport is a significant source of pollution even if it's not close to the biggest.