Category: Innovation

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Cigarette butts used to build roads

Trillions of cigarette butts are discarded in the environment worldwide every year. Now, new research has shown how this waste could be used to build roads instead of littering them. Around six trillion cigarettes...

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With electricity into the sky

The aviation industry is one of the biggest polluters, but start-ups like Zunum Aero are looking to change this. With the support of Boeing and the airline JetBlue, Zunum plans to build hybrid-electric airplanes...