Can the world's whitest paint save Earth?

A special experimental white paint that recently made it into the Guinness World Records could one day help keep the world from heating up. John Yang explains from West Lafayette, Indiana.
Stream your PBS favorites with the PBS app: to.pbs.org/2Jb...
Find more from PBS NewsHour at www.pbs.org/ne...
Subscribe to our KZbin channel: bit.ly/2HfsCD6
Follow us:
Facebook: www.pbs.org/new...
Twitter: / newshour
Instagram: / newshour
Subscribe:
PBS NewsHour podcasts: www.pbs.org/ne...
Newsletters: www.pbs.org/ne...