A Solar 'Breakthrough' Won't Solve Cement's Carbon Problem
Anyone who says there\u2019s nothing new under the sun hasn\u2019t made a recent trip to Lancaster, California. There, on the outskirts of the Mojave desert, 400 giant mirrors, each the size of a large flatscreen TV, twitch in the sunlight. Their reflective faces are turned toward a nearby tower that looms over the lot like an industrial eye of Sauron.