Led by new solar power, the world added renewable energy at breakneck speed in 2023, a trend that if amplified will help Earth turn away from fossil fuels and prevent severe warming and its effects.
On a recent day under the July sun, three men heaved solar panels onto the roof of a roomy, two-story house near the banks of the Kentucky River, a few miles upstream from the state capitol where lawmakers have promoted coal for more than a century.