When the next asteroid hits. Might get a couple of repeats of the mediaeval warm period before we drop into the next interglacial. Ian Plimer reckons we'll be

When the next asteroid hits. Might get a couple of repeats of the mediaeval warm period before we drop into the next interglacial. Ian Plimer reckons we'll be well on the way by 2800 when the ice cap moves south to covers the UK and Canada in a 2km thick ice layer.