this post was submitted on 16 Jul 2026
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Climate

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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:

Anti-science, inactivism, and unsupported conspiracy theories are not ok here.

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Air quality across the Eastern US & Canada right now (slrpnk.net)
submitted 1 week ago by fireweed@lemmy.world to c/climate@slrpnk.net
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Screenshot taken from PurpleAir. 150 and above is considered unhealthy, 300 and above is considered hazardous.

https://map.purpleair.com/air-quality-standards-us-epa-aqi

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[–] Omgpwnies@lemmy.world 32 points 1 week ago (2 children)

We've been dealing with wildfire smoke for years now, our genius Conservative provincial government has been cutting the budget for the services that prevent and put them out.

The fires are in Ontario, just north-ish of Thunder Bay.

[–] fartographer@lemmy.world 5 points 1 week ago* (last edited 1 week ago)

fold in the cheese

Then I don't know how to be any clearer! You take that thing that's in your hand, and you-

If you say "sweep the forest" one more time-

[–] SaveTheTuaHawk@lemmy.ca 2 points 1 week ago

And the genius Federal liberals have thrown out most emissions laws and taxes to reduce carbon emissions and pollution. So the whole country can be a toxic shithole like Alberta.