Organizing Chaos

In a world with rapidly shifting conditions, how do people organize around a shared purpose in a way that respects their individuality without it creating barriers?

Update: Teal Organizations Answers a lot of these questions

So many times I see multiple organizations or groups of people doing basically the same thing and moving towards the same reality. Should they be one organization with multiple circles of practice? How can they collaborate without disrespecting the previous work of the other? Who’s the leader if they combine forces?