For years we’ve dryly joked the world is ending, but not everyone who says the seas are rising due to climate change is buying waterfront property on Martha’s Vineyard. A large and growing community of people genuinely believe we’re all about to die, and they’ve found each other on the internet. Their position is simple: global warming means apocalypse in our lifetime, and probably within the next few years. The only question left is how to live — or die, if we so decide to make that noble choice — with the time we have left.