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Concentrated solar power, or CSP, is a pretty extraordinary technology; it uses an array of mirrors to focus the sun's energy onto a central tower, where the heat is then turned into electricity...

An Ocean Clean Up Array to Remove 7,250,000 Tons of Plastic From the World's Oceans When we first covered Boyan Slat's Ocean Cleanup Array it generated a phenomenal amount of excitement, as well as debate...

These fantastic solar-powered LED lights by LittleSun are designed by German Artist Olafur Eliasson and innovator Frederick Ottesen to provide a practical, safe, and efficient source of artificial light for some of the 1.3...