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xkcd : Earth Temperature Timeline
(imgs.xkcd.com)
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.
Should I be concerned?
Yes.
If we face this problem head on, if we listen to our best scientists, and act decisively and passionately...I still don't see any way we can survive.