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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.
Definitely a classic. Follows closely what's in the academic literature
(note that this graph changes x-scale for the past 1000 years)
Sharing this graph casually is rather unhelpful despite your note, since most casual observers aren't going to observe the scale change in the X axis, and instead will see only that today is similar to the 12,000 years ago segment.