Australia's record hot September, a year ago, would have been a freak occurrence 50 years ago. Global heating has made it a fairly likely event that will happen [ once every 6 years or so ]( http://www.theguardian.com/environment/planet-oz/2014/oct/03/scientists-find-human-fingerprints-all-over-australias-hottest-year-on-record ) .
Ссылка: https://stallman.org/archives/2014-jul-oct.html#03_October_2014_%28Global_heating%29