On the nights after Hurricane Maria ravaged Puerto Rico’s power grid in 2017, former Puerto Rican energy regulator Javier Rúa-Jovet remembers watching the sky warp along the horizon as thousands of fossil fuel-powered generators spewed emissions into the atmosphere. The “whole society” was running on this carbon-intensive backup power at the time, says Rúa-Jovet. Now, nearly a decade later, at le…
