Is the recent wacky winter weather due to global warming, or is it simply naturally occurring weather? Al Jazeera’s Joie Chen put the question to Climate Central Meteorologist Bernadette Woods Placky.
Climate Central meteorologist Bernadette Woods Placky explains why cold snaps like the polar vortex happen in a warming world.
The year 2012 has become the hottest year in the U.S. since scientists began keeping records. As Climate Central Chief Climatologist Dr. Heidi Cullen tells ABC’s Dan Harris on World News Tonight with Diane Sawyer, don’t expect this record to be the last.