Air pollution that has turned the skies over Paris a murky yellow and shrouded much of Belgium for days forced drivers to slow down Friday and gave millions a free ride on public transportation.
On TV: Personalities
Chris St. Clair
Heading somewhere warm? Don't tweet it.
If you want to post pictures to your friends, police urge you to be savvy.
Do you lift your wipers before a big storm?
Given the facts, it really does come down to convenience and preference.
From Canada's best to the worst
See why Edmonton's flexing its muscle in latest 'best place to live' survey