depopulation

Rock Doc: Climate change and population collapse

By E. Kirsten Peters, College of Agricultural, Human & Natural Resource Sciences PULLMAN, Wash. – Climate is always changing. That’s one truth that stands out from the record around the world of natural samples of Earth materials, tree rings, ice layers and so much more. But how much has past climate change influenced human affairs?

Localized climate change contributed to ancient depopulation

By Eric Sorensen, WSU science writer PULLMAN, Wash. – Washington State University researchers have detailed the role of localized climate change in one of the great mysteries of North American archaeology: the depopulation of southwest Colorado by ancestral Pueblo people in the late 1200s.