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: https://to.pbs.org/2Jb8twG
Find more from PBS NewsHour at https://www.pbs.org/newshour
Subscribe to our YouTube channel: https://bit.ly/2HfsCD6

Follow us:
Facebook: http://www.pbs.org/newshour
Twitter:   / newshour  
Instagram:   / newshour  

Subscribe:
PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts
Newsletters: https://www.pbs.org/newshour/subscribe