Urban Designer on Making Greener Cities
Clip: 10/10/2012 | 3m 18s
Urban designer Peter Calthorpe says there is one simple thing cities can do to cool down every summer: plant trees. NewsHour's Hari Sreenivasan spoke with Calthorpe at the Aspen Environment Forum this summer about how cities need to have more vegetation and fewer cars in order to adapt to a changing climate.
Aired: 10/10/12
