I had the opportunity a few weeks ago to attend in a most interesting little conference. Not highly publicised but, like most of the participants, I wouldn't have wanted lots of uninitiated people aware and attending.
It was a group of mostly-likeminded individuals and groups who were there to discuss strategies and methods of cataclysm survival - and of assessments of how things could go.
I did not have the opportunity to make a presentation, although raised several issues which had people thinking, primarily about - what happens when "a couple of weeks" becomes "many years", and whether it's worth trying to get things back on track. Fortunately, I was also one of a group of people who raised the issue that survival is a matter of numbers - more people can make things easier... Case in point, my coffee trees are getting ready to bear beans again, but the number of beans from a single tree makes it a pain to process your own - if you have much more than you can grow, you could always trade, and the effort to process one kilogram is not much more than to produce one tenth of that. There is something to be had with economies of scale...