1 We saw a baby polar bear at the zoo.
2 The polar explorers took every precaution to minimize the dangers of their trip.
3 It's very cold in the polar regions.
4 As our climate warms up, the polar ice caps will begin to melt.
5 The Antarctic species have few special adaptations for polar life.
6 The white fur of the polar bear is a natural camouflage.
7 The polar vortex is a system of wintertime winds.
8 From 2007 to 2012, we witnessed a 375 percent increase in the number of polar bear skins offered at auction, with their hides fetching record high prices in 2012.
9 A polar vortex, with its satisfyingly assonant vowels and crisp consonants, sounds like either a down coat made by Patagonia or an enormous luxury-brand SUV—that is, an expensive product meant to evoke the wilds but actually used by coddled suburbanites.
10 The two systems of government are polar opposites.
11 Public opinion has polarized on this issue.
12 Public opinion is sharply polarized on this issue.
13 The debate is becoming polarized and there seems to be no middle ground.
14 The nation as a whole was thoroughly polarized into left-and right-wing groups.
15 What's truly ironic is how both sides in this polarized debate use precisely the same tactics.