On this month's feature, written and narrated by Ornithologist Dr. Mike Baltz, we hear about a book, published nearly 60 years ago, that has concepts still relevant today.
Commentary: Mike Baltz on Carson's 'Silent Spring.'

WSIU/Kevin Boucher
On this month's feature, written and narrated by Ornithologist Dr. Mike Baltz, we hear about a book, published nearly 60 years ago, that has concepts still relevant today.