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

From electric flight to artificial noses, engineers are finding new ways to preserve our planet.

Official Website: https://to.pbs.org/3Zj89oi | #novapbs

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.

Chapters
00:00 Introduction
03:40 Creating a Quiet, Electric Aircraft
14:01 Reducing Food Waste with an Artificial Nose
25:51 Assessing Coral Reef Health by Sound
40:03 Decontaminating Drinking Water in the Navajo Nation
51:15 Conclusion

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