As climate change stokes polluting fires, southern California's most vulnerable are being hit the hardest.
Daily record highs are dramatically outpacing daily record lows in the U.S. in the last 20 years.
Here's where winters are warming the most across the U.S.
The Northern Plains, Great Lakes, and the Northeast are warming the fastest, while warming is taking place at a slower rate in the western U.S.
Watch how lake effect snow is expected to change in the coming decades.
Climate change is warming the Great Lakes, meaning more lake effect snow — for now.
Warming temperatures combined with drought conditions are major factors for the increase in wildfires.
Smoke pollution is leading to serious public health impacts as large wildfires across the American West become more frequent and destructive.