New report shows 'extreme and unusual' climate trends from 2016 are continuing in 2017

The year 2016 saw "extreme and unusual" climate conditions, the World Meteorological Organization says, and they're sticking around. To put together its State of the Global Climate 2016 report, the WMO looked at research from 80 national weather services. The organization found that in 2016, atmospheric CO2 rose to a new a high, Arctic sea ice recorded a new winter low, and the year itself was the warmest on record. Compared to the 1961-1990 average, 2016 was .83 degrees Celsius warmer than aver...