As the world has urbanized rapidly since 1950, per capita carbon footprint has declined, and so has carbon intensity in economic output, defined as the amount of energy used to produce a unit of economic growth. But gross material throughputs and […]
Christopher Ketcham has written for Harper's, Vanity Fair, GQ, Details, the Nation, Salon, Orion, Mother Jones, National Geographic, and many other publications. His most recent book is This Land: How Cowboys, Capitalism, and Corruption are Ruining the American West.
