Poverty rates have plunged, but can we all live like the Swiss by 2100?

In 1900, most people lived without electricity, antibiotics or universal education. Today, life expectancy is decades longer, literacy and access to medicine are near universal in many regions, and hundreds of millions have entered the global middle class. This progress was built through science, industry, public health, education and the hard work of ordinary people who believed tomorrow could be better. The question now is whether humanity can achieve a still more audacious goal: a world in...