Want more people to become environmentalists who care about Earth’s future, sustainability, clean air and water, and advocate for green energy? Forget luring them on luxury eco tours and shuttling them between pristine tropical alcoves and toxic landfills. Take them to space instead to trigger a curious phenomenon that will give them an unparalleled perspective on the fragility and uniqueness of our world, a perspective we usually see in astronauts. What is this effect and how long does it last? We dive into the details on this week’s episode.