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.
This is a US problem. Most of the world barely know about Yellowstone if at all. They observe, measure and deal with global warming regardless of what the US government says and does.
It's still a global problem, though. Climate change doesn't respect borders.
Climate purge. This will go into the history books as stupid an event as Stalin's military purge.