There are radical, yet pragmatic, solutions to our crises. But fear of what will happen if we don’t act is imprisoning people in a mindset that makes alternatives seem unthinkable. I am frequently told my solutions are unrealistic and will never happen; that people would rather fight each other in wars than adapt to share food and land, for instance. We make our own future, even if it’s hard to see the process. So let me try to make the case for hope.