Worldwide famine was supposed to plague the Earth in the 1970s and 80s, because of the crush of a constantly-growing human population.
The population continued to grow, but so did the food supply. So the predictions of doom have not come true. Yet, anyway.
Research scientist Andrew McAfee looks into how some humans have gotten their needs met with fewer resources, in his book More from Less: The Surprising Story of How We Learned to Prosper Using Fewer Resources―and What Happens Next.
It is an optimistic book, but not blind to current realities. We revisit our interview from 2019.