Floods, famines, and emperors : el Niño and the fate of civilizations / Brian Fagan.

From the Publisher: In 1999, few people had thought to examine the effects of climate on civilization. Now, due in part to the groundbreaking work of archaeologist Brian Fagan, climate change is a central issue. Revised and updated ten years after its first publication, Floods, Famines and Emperors remains the definitive account of how the world's best-known climate event had an indelible impact on history.