Karl Schroeder: If there is any life on Earth in 100 years, I foresee either an
ecological catastrophe, with the majority of species extinct, the oceans stagnant, the arctic and Antarctic desolate and lifeless, and billions of people living in complete ignorance of how things could be, in
massive urban centres; or, a world in which climate change was solved early and completely through innovations in power generation and carbon sequestration, where agriculture has gone to vertical farming and North America has largely been rewilded back to forest and open prairie, and where extinct species are regularly recreated by genetic engineering and reintroduced.