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.
Image comes from this paper
Americans can achieve even more by helping to get others to vote
This presumes that a vote has an impact.
In the US, right now, who holds power is still decided by who gets the most votes in elections. Even non-swing-states have congressional races, races for state legislature, and elections for local government.
If you're in a spot where you think your local vote won't be close, you can volunteer to turn others out to vote
But a vote doesn't have an impact.
It can certainly happen when things are close, as they are now. Even if all you do is change it from "close" to "not close" the impact is to keep it out of the courts.
What can?