The cost is large: a decarbonized economy, a perfectly renewable energy system, a reimagined system of agriculture, and perhaps even a meatless planet. In 2018, the IPCC compared the necessary transformation to the mobilization of World War II, but global. It took New York City forty-five years to build three new stops on a single subway line; the threat of catastrophic climate change means we need to entirely rebuild the world’s infrastructure in considerably less time.
