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/2Jb8twG
Find more from PBS NewsHour at www.pbs.org/newshour
Subscribe to our RUclips channel: bit.ly/2HfsCD6
Follow us:
Facebook: www.pbs.org/newshour
Twitter: / newshour
Instagram: / newshour
Subscribe:
PBS NewsHour podcasts: www.pbs.org/newshour/podcasts
Newsletters: www.pbs.org/newshour/subscribe