Ancient Climate Change: When Palm Trees Gave Way To Spruce Trees
Thursday, June 25, 2009 - 14:35
in Earth & Climate
One long-standing climate puzzle relates to the Late Eocene and Early Oligocene. Profound changes were underway. Globally, carbon dioxide levels were falling and the hothouse warmth of the dinosaur age and Eocene Period was waning. In Antarctica, ice sheets had formed and covered much of the southern polar continent. But what exactly was happening on land, in northern latitudes?
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