Snow pileup creates dangerous conditions03:26
Dr. Devi Nampiaparampil discusses the dangerous conditions created by heavy snowfall and what parents can do to make sure their children stay safe while playing outdoors.
Climate change is a real national emergency05:02
Polar vortex puts 121M under wind chill warning, advisory01:51
PSA: When it's this cold, tip delivery people extra well02:02
How climate change is different than weather08:14
Temperature plummets to dangerous levels not seen in decades02:12
Al Roker calls Kentucky’s Matt Bevin a ‘nitwit governor’ over school closures00:32