Since the Arctic as a whole is responding to climate change earlier and more acutely than the rest of the planet, we should think of it as an early warning system -- a proverbial canary in a coalmine.

CNN: Next global warming worry: Thawing tundra

Serving as a psychological canary in the coalmine of your life, warning you to re-evaluate the wisdom inherent in following one particular path relative to alternative ones.

FORBES: Worried About Anxiety? Don't Be; It's Often Good For You.