Guest Post by Wim Röst Introduction Five million years ago, average temperatures were higher than they are now. During the Pliocene, the era just before the period of the Quaternary Ice Ages, ‘glacials’ did not yet exist because temperatures were too high. As cooling of the deep seas continued, temperatures became that low that large…
via Watts Up With That?
August 13, 2017 at 04:10AM
Iowa Climate Science Education 