The Weather Lab with Paul Huttner: Wildfire science and climate refugees

Forest fires rage on in the distance
A plume of smoke hangs in the air as forest fires rage on in the distance in Fort McMurray, Alberta on May 4, 2016. Numerous vehicles can be seen abandoned on the highways leading from the raging forest fires in Fort McMurray and neighboring communities banded together to offer support in the form of food, water, and gasoline.
Cole Burston | AFP | Getty