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2016, ISBN 022635816X, Volume 57734, xiii, 280
We are currently facing the sixth mass extinction of species in the history of life on Earth, biologists claim-the first one caused by humans... 
Endangered species | Extinct animals | Extinction (Biology)
Book
Journal Article
2012, ISBN 0300176570, xxiii, 160
... responsibility? How do we assess the value of nonhuman species? In this clear-spoken, passionate book, naturalist and philosopher Edward L... 
Nature | Biodiversity conservation | Environmental ethics | Effect of human beings on | Extinction (Biology) | Biodiversity | Social aspects | Species | Environmental policy | Zoology | Environmental Science
Book
Global ecology and biogeography, ISSN 1466-822X, 2016, Volume 25, Issue 1, pp. 117 - 126
Journal Article
Journal Article