1892 : Severe Heat And Fires In Australia stevengoddard 9 years ago X Privacy & Cookies This site uses cookies. By continuing, you agree to their use. Learn more, including how to control cookies. Got It! Advertisements http://trove.nla.gov.au/ Advertisements Share this:Print RelatedWhat Level Of CO2 Is Safe?August 5, 2011With 12 comments1936 : Hottest And Coldest Months In US HistoryJune 30, 2013With 14 commentsIf Gavin Is Correct About CO2 Controlling The Climate, We Must Keep CO2 Well Above 350 ppmMarch 9, 2011With 8 comments