SPHERE is a podcast that investigates the historical evolution of global environmental governance through in-depth discussions with a wide array of scholars, scientists, and practitioners—including politicians, diplomats and other government officials—who have played decisive roles in shaping the course of environmental politics, science and activism over the past half century or more. The podcast provides invaluable insights, expertise and first-person oral histories encompassing the entire post-WWII “Great Acceleration” of rapid economic growth and environmental degradation that gave rise...