Environmental historian Nancy Langston explores three "ghost species" in the Great Lakes watershed--woodland caribou, common loons, and lake sturgeon. Ghost species are those that have not gone completely extinct, although they may be extirpated from a particular area. Their traces are still present, whether in DNA, in small fragmented populations, in lone individuals roaming a desolate landscape in search of a mate. We can still restore them if we make the hard choices necessary for them to survive. In this meticulously researched book, Langston delves into how climate change and human impact affected these now ghost species. Climate Ghosts covers one of the key issues of our time.