Assumptions

I'm working on a very simple set of assumptions here:

1. The sustainable human population with any technology we have or are likely to develop in the next 50 years or so (aka, carrying capacity) is about 2 to 4 billion people.
   
2. We have as many people on the planet as we do because we are running in overshoot mode and using up resources faster than they can be replenished.
   
3. We have perhaps 5 to 50 years before the situation starts to come unglued at a global level. [There is a good argument that it is already coming unglued in some regions.]
   

If these things are true, I think it about certain that we are in for "interesting" times.