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This story was originally published by Grist. Sign up for Grist’s weekly newsletter here. By Naveena Sadasivam, Grist As the year comes to a close, 2025 looks like a turning point in the world’s fight against climate change. Most conspicuously, it was the year the U.S. abandoned the effort. The Trump administration pulled out of...

In 2013, a Japanese engineering firm had an ambitious idea: construct a large ring of solar panels around the Moon, known as the Luna Ring, that would capture sunlight and send back almost unlimited energy to Earth. Imagine a giant illuminated circle orbiting the moon to provide electricity to us here on Earth. What is...