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 © 2024 WGBH Educational Foundation All rights reserved This program was produced by GBH, which is solely responsible for its content. This program is made possible by viewers like you. Support your local PBS station here: https://pbs.org/donate/ Enjoy full episodes of your favorite PBS shows anytime, anywhere with the free PBS app: https://to.pbs.org/2QbtzhR Stay up to date on the latest science discoveries, full episodes, articles, videos, and more by signing up for NOVA's newsletter here: https://www.pbs.org/wgbh/nova/newslet... FOLLOW US: NOVA YouTube:    / novaonline   Facebook:   / novapbs   ​ X:   / novapbs   ​ Instagram:   / novapbs   TikTok:   / novapbs   PBS Facebook:   / pbs   X:   / pbs   Instagram:   / pbs   YouTube:    / pbs   TikTok:   / pbs   engineering documentary, propeller shape, electric plane, joby, food waste, coral bleaching, Navajo pottery