Moreover, it can also factor such things as weather conditions and variable speed limits into the cars' behaviour.

ECONOMIST: Traffic management

This year's variable weather included the wettest June since records began.

BBC: Nyetimber vineyard scraps 2012 grape harvest

No matter how it may be expressed, the phenomenon of increasingly variable and unpredictable weather resonates from one Arctic community to the next across the circumpolar North.

UNESCO: EDUCATION