For anyone feeling left in the dark about which agreements, I hope its comforting to know that Donny doesnt know which ones either....
Like any community, your'e fully in partially in or fully out.
Right now, the US wants to be a part of the international community, not contribute, but maximise it's opportunities to exploit that international community.
Either the US needs to remove itself from all international communities or participate, or for the international communities to say F-you and withdraw from any form of dependency upon the US.
We did this with South Africa and it worked.
I am not seeing much evidence that the US wants to be part of the international community at all.
The New York Times seems to be bending over pretty far to avoid saying the quiet part out loud that this is all part of the naked control that big oil money has over real decisions.
Climate
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.