Here, we explore six notable civilizations that have collapsed, shedding light on some of the causes behind their demise and some interesting parallels relative to today. Ancient civilizations that ...

NMAI copy 39088007823347 has bookplate: In honor of Suzanne Ripley. AIMMRC copy 39088014427520 is a gift of Jane Safer. I. Prologue: Some problems posed ; Geography and environment ; Language and ...

A time of warming -- "The mantle of the poor" -- The flail of God -- The golden trade of the Moors -- Inuit and Qadlunaat -- The megadrought epoch -- Acorns and pueblos -- Lords of the water mountains ...