, Columnist
There’s a Triple Threat to the World’s Food Security
Farm output is slowing.
Photo: Scott Olson/Getty Images
There are five times as many people alive today as there were in 1900. Yet humanity is better fed than at almost any point in its history.
That’s thanks to three major developments that have made our planet far more resilient to the risk of starvation: yield improvements, water usage and trade. Worryingly, all are threatened right now.