We are currently in a not-so-cold phase of an ice age - The Quaternary Ice Age.

BBC: Looking for the greenhouse signal

Cartwright has described that system, now entering its second study phase, as a key component in transforming the aging Cold War nuclear weapons stockpile.

CENTERFORSECURITYPOLICY: STRATCOM: Safe, reliable deterrence critical

This pole-centred roundel of warm-in-cold is symptomatic of what climatologists call the negative phase of the Arctic oscillation (AO).

ECONOMIST: Britain��s cold snap is explained by the Arctic oscillation