The past climate change heats up.
Stanley
S M
SM
D000864:Antarctic Regions; D001110:Arctic Regions; D002771:Cholera / Q000453:epidemiology; D002980:Climate; D004196:Disease Outbreaks; D004463:Ecology; D006605:Hibernation; D006801:Humans; D007053:Ice; D009792:Oceans and Seas; D013696:Temperature; D013995:Time
D007053:Ice