Building Stuff: Change It! | Full Documentary | NOVA | PBS

From electric flight to artificial noses, engineers are finding new ways to preserve our planet. Thousands of years of human innovation have allowed us to shape the environment to improve lives. The consequences of our activities are not always benign – but there are solutions. From electrifying aviation, to building robots to protect threatened coral reefs, a new generation of engineers is finding creative solutions to some of our most critical environmental challenges.

Courtesy of NOVA PBS Official on YouTube. Watch on YouTube ↗

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