Ash from Iceland volcano has grounded much of western Europe 's air traffic . Rosanne D'Arrigo says Iceland volcano in 1783 had drastic effects . In North America , Laki has been blamed for the starvation of Inuit populations from severe cold in northwestern Alaska , based on Inuit oral history as well as tree-ring density data investigated by Gordon Jacoby and others , who estimated that conditions were about 4 degrees Celsius colder than the mean . She says it killed many , stunted agriculture and led to starvation . TL;DR
Ash from Iceland volcano has grounded much of western Europe 's air traffic . Rosanne D'Arrigo says Iceland volcano in 1783 had drastic effects . She says it killed many , stunted agriculture and led to starvation . TL;DR