Watch NOVA Season 51 Episode 17 Online
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- COUNTRIES: United States of America
- Subtitles: English
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.