See the trend in winter high temperatures across the U.S.
The North Pole and the surrounding Arctic regions are seeing record high temperatures.
Record highs in the U.S. could outnumber record lows by 15-to-1 in 50 years from climate change.
U.S. record highs are consistently outpacing record lows with climate change.
The number of U.S. record highs in 2016 is dwarfing the number of record lows.
An analysis of U.S. cities shows more than half are having one of their 5 hottest years on record.
Food that ends up in landfills emits methane, a strong greenhouse gas.
The cool days of late November will turn warmer on average in the coming decades.