![COT-Philly-Smart-Trash_00002220.jpg](https://webcf.waybackmachine.org/web/20230315024804im_/https://media.cnn.com/api/v1/images/stellar/prod/140523175249-cot-philly-smart-trash-00002220.jpg?q=x_0,y_0,h_720,w_1280,c_fill/w_850)
Smart garbage: The future of stink
Philadelphia saves more than $1 million each year with its "smart" trash cans. CNN's Rachel Crane shows us how it works.
02:06
- Source:
CNN
City of Tomorrow
12 videos