Engineering bird-friendly glass
Every year hundreds of millions of birds die from accidentally flying into glass buildings and windows. But now, new types of glass may make this easily preventable. Daniel Klem, Professor of Ornithology and Conservation Biology at Muhlenberg College in Pennsylvania joins Hari Sreenivasan to discuss creating bird-friendly glass.
Ed: Dan has been the hero of this story for decades. It is great to see him getting the recognition he deserves.