When midnight strikes on New Year’s Day of 2050, there will be little cause for celebration. There will, of course, be the usual toasts with fine wines in the climate-controlled compounds of the wealthy few. But for most of humanity, it’ll just be another day of adversity bordering on misery—a

In the next 30 years, according to the UN International Organization for migration, we can expect up to 1.5 billion environmental migrants, raising the question of how our world can change to accommodate a population that will move north to already challenged cities. Top priorities such as food security, clean