Listen to music made to the rhythm of global warming

One night in 2013, artist Stephan Crawford was sitting in his studio in San Francisco, thinking of a way of expressing Earth’s carbon cycle through a moving sculpture. He had a metal rod in his hand, and he started tapping it against his workbench. And that’s when the eureka moment struck. “That tapping made me think of a rhythm,” Crawford says. “And then it went straight to the idea of music.”Four years later, Crawford runs The ClimateMusic Project, a group o