News tagged with glaciation

Cracking the ice code

(Phys.org) —What happened the last time a vegetated Earth shifted from an extremely cold climate to desert-like conditions? And what does it tell us about climate change today?

May 20, 2013 3.8 / 5 (8) 2 | with audio podcast

Plunge in CO2 put the freeze on Antarctica

Plunge in CO2 put the freeze on AntarcticaAtmospheric carbon dioxide levels plunged by 40% before and during the formation of the Antarctic ice sheet 34 million years ago, according to a new study. The finding helps solv ...

Dec 01, 2011 5 / 5 (2) 24 | with audio podcast

Life's Ancient Island in the Ice

During the last ice age, massive glaciers covered much of our planet. However, a region of Alaska, Siberia and the Canadian Yukon remained ice-free. This region, known as Beringia, supported unique organisms ...

Oct 29, 2009 4.6 / 5 (14) 3