Since the 1990s the extraordinary decline and extinction of amphibian populations worldwide has alarmed scientists because of the frequency of the losses, concern about the role amphibians might play as indicators of environmental deterioration, and growing evidence that frogs and salamanders disappeared without obvious causes in the midst of protected areas. Extinction in Our Times unravels the mystery of amphibian biodiversity loss by exploring alone and
together possible causes such as commercial exploitation, competition and predation by exotic species, habitat loss, climate change, environmental toxins, and emerging infectious diseases.