Insurers' disaster files suggest climate is culprit.
Schiermeier
Quirin
Q
D016208:Databases, Factual; D004190:Disasters / Q000191:economics / Q000706:statistics & numerical data*; D017752:Greenhouse Effect; D049673:History, 20th Century; D049674:History, 21st Century; D049690:History, Ancient; D007341:Insurance / Q000191:economics / Q000266:history / Q000639:trends; D007343:Insurance Carriers; D012106:Research; D013997:Time Factors; D014887:Weather