I'm a futurist. Technology is our way out of almost every problem we have. Technology can create a new sense of community.
This is actually a very important principle that science is learning about large systems like evolution and that futurists are learning about anticipating human society: just because a future scenario is plausible doesn't mean we can get there from here.
Shanghai set out to take over from Hong Kong and I think it's done that. It's got the most amazing futuristic skyline which rivals and even betters Tokyo.
Why does man kill? He kills for food. And not only food: frequently there must be a beverage.