Is mass timber the building material of the future?

A new kind of construction with a not-so-new material is taking off in the U.S. Mass timber can replace steel and concrete in large buildings and proponents say it's greener and faster to build with. NewsHour Weekend Special Correspondent Megan Thompson recently visited the Ascent building in Milwaukee, a 25 story mass timber tower that will open next summer. 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: http://www.twitter.com/newshour Instagram: http://www.instagram.com/newshour Subscribe: PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts Newsletters: https://www.pbs.org/newshour/subscribe