Weighing the Benefits of Green Roofs

For more tech videos, go to www.wsj.com/video. Throughout New York City, studies are underway to see if green roof adoption should take root. Supporters say putting vegetation on the roofs of city buildings may reduce global warming -- and save money in the long run. WSJ's Shelly Banjo reports. (Oct. 6) Don’t miss a WSJ video, subscribe here: http://bit.ly/14Q81Xy More from the Wall Street Journal: Visit WSJ.com: http://www.wsj.com Visit the WSJ Video Center: https://wsj.com/video On Facebook:   / videos   On Twitter:   / wsj   On Snapchat: https://on.wsj.com/2ratjSM