Segment 1:June Williamson, architect, associate professor or architecture, City College of New York, discusses benefits of mixed-use developments that create more efficient suburbia.
https://ssa.ccny.cuny.edu/blog/people/june-williamson/
Segment 2: Andrea Pitzer, journalist, author, Icebound: Shipwrecked at the Edge of the World talks about the history of Arctic exploration and the increase in Arctic melt.
http://nsidc.org/arcticseaicenews/