Something to Remember: Key Climate Milestones in 2015
Began with the warmest winter on record globally. Hottest year on record globally. Toronto had the hottest Christmas Eve on record for a Canadian city, with the thermometer reaching 15.4 degrees C. 2015 was last year we’ll see atmospheric CO2 concentrations below 400 parts per million, above which the global climate starts getting wacky. The average global temperature increase averaged 1 degree C above pre-industrial times for the first time. Tropical cyclone Patricia went off the hurricane category scale with winds of over 320 km per hour. The Arabian peninsula was hit by two consecutive cyclones, unprecedented in the region. After four years of drought California was the driest it has been in 500 years. Jurisdictions such as B.C. and Alberta had their worst-ever wildfire seasons. Record flooding hit…