[tropicalia]

How can a planet scale coordinated governmental effort by committee work?

The same way countless other endangered subsets of humanity (particularly those facing essentially total annihilation by, or permanent subservience to a foreign occupier) have: by recognizing the simple the simple fact that they'll either have to put their heads together, put aside their differences, and "figure out a way" to prevail against overwhelming odds --

or face the inevitable consequences of failing to do so.