Investigating the ethical and practical challenges of one of the greatest threats to biodiversity: invasive species. Across the world, invasive species pose a danger to ecosystems. The UN Convention on Biological Diversity ranks them as a major threat to biodiversity on par with habitat loss, climate change and pollution. Tackling this isn't easy, and no one knows this better than Hugh Warwick, a conservationist who loathes the idea of killing, harming...

"Join "America's funniest science writer" (Peter Carlson, Washington Post) Mary Roach on an irresistible investigation into the unpredictable world where wildlife and humans meet. What's to be done about a jaywalking moose? A grizzly bear caught breaking and entering? A murderous tree? As New York Times best-selling author Mary Roach discovers, the answers are best found not in jurisprudence but in science: the curious science of human-wildlife conflict,...

"In the tradition of Peter Matthiessen's Wildlife in America or Aldo Leopold, Brenda Peterson tells the 300-year history of wild wolves in America. It is also our own history, seen through our relationship with wolves. The earliest Americans revered them. Settlers zealously exterminated them. Now, scientists, writers, and ordinary citizens are fighting to bring them back to the wild. Peterson, an eloquent voice in the battle for twenty years, makes...

"In 1995, the gray wolf was reintroduced to Yellowstone National Park after a seventy-year absence. All these years later, we can clearly see the cascading effects this has had on the park's ecosystem. This is a spectacular example of a trophic cascade, the term used when an important member of an ecosystem goes missing and many other living things are indirectly affected, causing a chain reaction of events. In the case of the reintroduced wolves...