this post was submitted on 15 Jul 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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As heat soars, the Southwest ditches ‘swamp coolers’ for air conditioning | Highly efficient evaporative coolers used in dry Western states for decades, but being replaced as temperatures rise (www.washingtonpost.com)
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[–] pressedhams@lemmy.blahaj.zone 21 points 1 day ago (3 children)

Growing up in the desert, swamp coolers can only do so much and only if the air is dry. When it hits 128 in the summer, the 20 degree drop isn’t refreshing. If the humidity is high, it can’t do squat.

[–] womjunru@lemmy.cafe 2 points 1 day ago (1 children)

Lived in AZ. Fuck swamp coolers.

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