I’ve been going back and forth on a question in my head. There’s so many causes that I care about in the world: which one(s) do I want to address and really pay attention to? Climate change represents existential risk for the human species (yikes!), while space exploration represents a frontier of opportunity and a place for us to expand off our crowded planet. Despite a great deal of progress, global poverty is still a pressing problem, as are racial and gender equity. I ping pong with arguments in my head. Existential risk sounds pretty terrifying, and rationally, it seemed like addressing climate change should come first. After all, if we don't exist anymore in the future, then there will be no more poverty or inequity to address in the first place. At the same time, millions of people (particularly those least responsible for climate change) will be affected by what we've already done to the environment, and become climate refugees with food, water, and clean air insecurit...