Drought is fueling large wildfires in the Southeast, but the future of wildfires there in a warming climate is murky.
La Niña has arrived and will tip the odds in favor of drier, warmer weather this winter in the South.
After the third-warmest October on record, the U.S. is having it's second-hottest year-to-date.
Weather and climate can have unexpected complex impacts on the timing and appearance of fall foliage.
Global warming is on track to disrupt the Mediterranean region more than at any time in the past 10,000 years.
Winter will bring continued dry conditions in California, the Southeast and parts of the Northeast.
New research shows that drought is likely to stoke conflicts in the world's poorest countries.
A key threshold for the Paris climate pact has been surpassed, meaning it's nearly ready to take effect.
Reservoirs are responsible for 1.3 percent of global man-made greenhouse gas emissions, a study says.
Climate change is altering important elements affecting fall foliage.
Climate change poses a national security risk, but the Obama administration has a plan to deal with it.
Extreme drought has gripped New England and could dim the prospect of a colorful foliage season.
Native landscaping could warm up the days in L.A., but cooling effects at night may be be greater.
The natural range of the endangered western swamp tortoise is increasingly untenable because of reduced rainfall.
As Zika spreads northward, scientists are beginning to understand how humans stoked the epidemic.
This year's wildfire season in California shows signs of influence from climate change.
Weather-related disasters made worse by climate change could make world peace more elusive.
Conditions behind California's drought and warm coastal waters were mostly natural, but not entirely.
More than 100 million people could be affected by the combined impact of El Niño and La Niña.
The Fort McMurray wildfire was the costliest natural disaster in Canadian history, ringing up $3.58 billion in losses.