435
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.
when I was a little kid watching LotR for the first time and Boromir described Mordor by saying "the very air you breathe is a poisonous fume" I thought, okay I get what you're going for, but even for this setting that's a little over the top melodramatic, dontcha think?
now I can't leave my house because the greed of evil men has literally corrupted the very essence of the Earth and blotted out the Sun
USA = Mordor Got it
Make Mordor Great Again
Trump is working on that.