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Air quality across the Eastern US & Canada right now
(slrpnk.net)
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:

How much each change to the atmosphere has warmed the world:

Recommended actions to cut greenhouse gas emissions in the near future:

Anti-science, inactivism, and unsupported conspiracy theories are not ok here.
I was in a very drafty house during two big fires in california, and of course close enough to both our air quality was severely impacted. We had visible smoke in the hallways. A HEPA filter on the back of a box fan in our rooms did wonders. If anyone is in need of cheap option.