NOVA Season 51 Episode 20
Countdown: 5d 19h 15m 7s
NOVA Season 51 Episode 20
Building Stuff: Change It!
Returning Series
55 min
8.7/10 Votes: 3147
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.