- Global warming caused record Australian heatwave, top scientists conclude – the Australian summer of 2012/13 was about five times as likely as a result of human-induced influence on climate, the record hot calendar year of 2013 would have been virtually impossible without human contributions http://blogs.telegraph.co.uk/news/geoffreylean/100265204/global-warming-caused-record-australian-heatwave-top-scientists-conclude/ 15 comments worldnews