this post was submitted on 14 Oct 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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Welcome to the world of personal air conditioning | As the climate warms, the rich will live in cool bubbles of comfort. The poor, not so much. (www.theclimatebrink.com)
submitted 1 month ago by silence7@slrpnk.net to c/climate@slrpnk.net
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We’ve only had 1.3C of global average warming, but it’s enough to popularize the entire category of personal cooling devices. So when people say, “You won’t even notice 1C of global warming,” the market tells us that that’s absolute bullshit.

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[–] _noelamac_@spore.social 4 points 1 month ago (1 children)

@silence7 HVAC manufacturer Carrier already knows.

“Growing Demand Meets Increasing Urgency

As the world recognizes the increasing urgency of #ClimateChange and secular trends continue to increase the demand for HVAC and refrigeration products, Carrier is committed to aggressive actions that minimize our environmental impact and help address the most critical challenge our planet has ever faced.”

Pay to stay ❄️ cool ❄️. If you can.

#hotearth #climatehell

https://www.corporate.carrier.com/corporate-responsibility/road-map-to-net-zero/

[–] spidermanchild@sh.itjust.works 4 points 1 month ago

Notice they barely mention refrigerants because they are planning to use HFOs to meet low GWP targets rather than only actually sustainable choice - natural refrigerants. HFOs are PFAS and we are already seeing environmental accumulation of PFAS (primarily TFA) directly linked to HFO use around the world. We need to shift to natural refrigerants now.