Each of the lower 48 states is having one of its 10 hottest years on record.
An analysis of U.S. cities shows more than half are having one of their 5 hottest years on record.
Military leaders say warming is the greatest threat to 21st-century security and could lead to mass migrations.
Intense drought and powerful winds conspired to whip a massive wildfire that endangered Gatlinburg, Tenn.
The Climate Vulnerable Forum (CVF) committed to update their climate action plans submitted as part of the U.N. climate pact.
Drought is fueling large wildfires in the Southeast, but the future of wildfires there in a warming climate is murky.
The cool days of late November will turn warmer on average in the coming decades.
Warm air and oceans have caused Arctic sea ice growth to hit pause. That's not normal for November.
If emissions aren't curbed, global warming could mean highs dramatically outpace record lows by mid-century.
2016 is set to be the hottest year on record by a significant margin, the WMO told international climate negotiators.
After the third-warmest October on record, the U.S. is having it's second-hottest year-to-date.
An examination of how high temperatures throughout the year are projected to rise by the end of the century under two different emissions scen…
Warm weather has led to record low sea ice for October across the Arctic.
Global warming is on track to disrupt the Mediterranean region more than at any time in the past 10,000 years.
Halloween weather can be highly variable depending on the year.
One of the oldest oak trees in the U.S. was dealt a death blow by extreme heat this summer.
The record run of planetary heat has rewritten the record books.
Yet another month of planetary heat has basically ensured 2016 will be the hottest year on record.
Later frosts mean longer growing seasons for the U.S.
Here's where in the U.S. the frost free season is growing the fastest.