EditorialThe Climate Clock, now displaying an estimated percentage of the world’s energy now being supplied by renewable sources, and “Metronome,” a public art project, in New York, April 18, 2021. (Jeenah Moon/The New York Times)
EditorialMetronome, a New York City public art project and the Climate Clock, which displays the window for action to prevent the effects of global warming from becoming irreversible, Saturday, Sept. 19, 2020. (Jeenah Moon/The New York Times)