Our entire way of life depends upon the “cold chain,” the network of artificially refrigerated spaces that have reshaped the modern world.

On a desolate, six-mile stretch of Indian beachfront, the bulk of the world’s big ships are dismantled for scrap. Though a ship is usually worth over $1 million in steel, the margins are low, the leftovers are toxic, and the labor—which employs huge numbers of India’s poor—is wildly dangerous.