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Living Microalgae Lamp Absorbs CO2 from the Air

French biochemist Pierre Calleja has designed a fascinating eco-friendly lamp that could light up streets and parking garages while cutting CO2 emissions. It runs completely free of electricity, powered solely by a tube filled with glowing green algae. The lamp…

Tesla’s Boss Elon Musk Unveils Solar Roof Tiles

The Tesla chief executive, Elon Musk, has unveiled new energy products aimed at illustrating the benefits of combining his firm, which makes electric cars and batteries, with solar installer SolarCity. The billionaire entrepreneur showed off solar roof tiles that eliminate…

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