Planes have been grounded in Phoenix as life-threatening heat descends across the Southwest.
New NASA data shows this May was the second-hottest May on record.
Even the modest rise in global temperatures to date have made India's already sweltering heat waves deadlier.
Rising temperatures are causing less of each winter’s snowpack to flow down a major river as water.
After years of widespread, intense drought, the U.S. is experiencing its smallest drought footprint since 2000.
Through April, this year is the hottest on record for several Southern and Ohio Valley states.
Global warming made heat records more likely for about 80 percent of an observed area of the globe.
Communities across the West will have to adapt to living with the ever-increasing threat of wildfires.