Justin Hollander

Shrinkage -- the term long associated with rust belt cities like Detroit and Cleveland that saw their heydays 60 years ago and have been in decline since -- is now being applied to Phoenix and other fast-growing areas of the Southwest and Sun Belt.

Tufts urban planning professor Justin Hollander appeared on C-SPAN's Washington Journal to answer questions about his new book, Polluted & Dangerous: America's Worst Abandoned Properties and What Can Be Done About Them.