The key problem they're trying to deal with is that they negotiated who gets how much water back when there was a lot more:
I mean water amount on the Colorado river is one problem of the Colorado Compact. There is a whole lot of other problems that make the whole compact nonviable in the 21st century that are going to need to be worked out in some sort of Western States congress.
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.