Enlarge (credit: Getty Images | Aurich Lawson) Thanks to unbridled greenhouse gas emissions, our planet is stitching together a climate version of Dr. Frankenstein’s monster. We still have ice from the warmer parts of the Pleistocene even as our temperature approaches the warmer Pliocene levels of 3 million years ago. Meanwhile, our CO 2 level […]
Enlarge / The ice age weather (left) gave way to one that slowly warmed until industrial times. (credit: Matthew Osman) The climate “hockey stick” refers to a reconstruction of temperatures over the past 1, 000 years. The data shows flattish temperatures over the last millennium , like the handle of a Hockey stick, ending in […]
Enlarge (credit: Person-with-No Name) The Arctic Ocean is many things. Cold and icy come to mind, of course, but “salty” should as well—it’s an ocean, after all. Yet a new study suggests that during certain ice age periods, the Arctic Ocean and the adjacent Greenland and Norwegian Seas (you can guess where those are if […]