It occurs that the climate was being more cold and implacable. The plantations had started to perish. The wood, with which the Scandinavians construam its habitations and that he served, next to the coal, to heat the water and to cast metal for the hunting, he finished of time. Exactly with the expansion of the cold and the hunger provoked for the fact of the plantations to be dying and the hunting to have been rareada for the climatic alterations and the forcible consumed, and, therefore, inefficient metal use to capture it, vikings had not extinguished the old custom to import of the Europe religious articles, as candlesticks, vitrais, ostensrios and others (mainly after being converted Christianity, possibility that always had been condemned for Erik in virtue of being it an arduous defender of the Nordic paganismo) and of products of luxury for the feudal leaders, as well as of for exporting skins of animals there, bears polar, imprisoned of morsa and other raw materials that, in those emergenciais circumstances, were well more necessary in Greenland. Instead of modifying its commercial habits, vikings had started to use the turf – vegetal that it recovers great part of the ground of the Arctic regions? to substitute the wood in the tasks the one that this age affects. This made with that the ground was eroded, and, consequently, with that the remaining plantations, already suffered, meagered of time. Finally, the cooling of the island caused its isolation of the exterior world, disabling any change of attitude, despite delayed: the cold and the hunger if had become insuportveis and the groenlandesa society viking if it extinguished around 1400.