Sentences with phrase «norse colony collapse»

event in 536 AD, the Mayan collapse around 800 AD, and the Norse colony collapse in Greenland to make his case that societies can be vulnerable to abrupt shifts in rainfall, temperature etc..

event in 536 AD, the Mayan collapse around 800 AD, and the Norse colony collapse in Greenland to make his case that societies can be vulnerable to abrupt shifts in rainfall, temperature etc..