Life in 2050

By mid-century there will likely be 9 billion people on the planet, consuming ever more resources and leading ever more technologically complex lives. What will our cities be like? How will we eat? Will global warming trigger catastrophic changes, or will we be able to engineer our way out of the climate crisis? To celebrate the 40th anniversary of Smithsonian magazine, Big Think asked top minds from a variety of fields to weigh in on what we might expect our world to be like 40 years from now.