On 21st January 2016 the US based National Oceanic and Atmospheric Administration (NOAA) confirmed that 2015 was the hottest year on record with the average global temperature climbing to 0.9oC above the 20th century average of 13.9oC. This follows the previous record in 2014 of a 0.74oC increase. 2015 was the 39th consecutive year of…