Another intriguing post from our friends at Worldchanging.com…
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The glowing, neon green lamp you see above is the invention of French biochemist Pierre Calleja, who had the crazy idea of using algae to power otherworldly, tube-shaped streetlamps that double as homes for this growing gloop. In a talk at TEDxLausanneChange, he explains the process behind the invention. You may remember photosynthesis from biology class — if not, Wikipedia will […]
Planet Earth doesn’t exactly have a birthday. But every year on April 22, we celebrate Earth Day — the anniversary of the moment the environmental movement went mass. According to EarthDay.org, Earth Day was founded in 1970 by U.S. Senator Gaylord Nelson, who called for a “national teach-in on the environment” after witnessing the terrible effects […]