Wasted space finds new purpose as China pledges to go carbon neutral
Video Credit: Bleacher Report AOL - Duration: 02:41s - Published
Wasted space finds new purpose as China pledges to go carbon neutral
China’s Shanghai Metro is the biggest metro system in the world - and one of the busiest.
CNN’s David Culver takes a look at how the massive metro-rail system is preparing for a greener future.
