According to the World Meteorological Organisation's (WMO's) provisional Statement on the State of the Climate released this week, 2017 is set to be in the top three hottest years on record. The statement says that the average global temperature from January to September 2017 was 1.1°C above the pre-industrial era. 2016 is likely to remain the warmest as a result of a powerful El Niño, and 2017 and 2015 are second and/or third, and the period 2013-2017 will likely be the warmest five-year period of record. The past year has also seen many high-impact events, including catastrophic hurricanes and floods, and debilitating heatwaves and drought. And long-term indicators of climate change, such as increasing carbon dioxide concentrations, sea level rise and ocean acidification continue unabated. While Arctic sea ice coverage remains below average and previously stable Antarctic sea ice extent was at or near a record low. To find out more check out WMO Statement on the State of the Global Climate in 2017 - Provisional Release.