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The Cretaceous Greenhouse: A Surfeit of Carbon

> The Cretaceous Greenhouse: A Surfeit of Carbon on BBC Two at 2006-07-30 04:00:00
Open Science. [S269] 130 million years ago the Earth's atmosphere contained phenomenal quantities of carbon dioxide. But where did it all come from?

> The Cretaceous Greenhouse: A Surfeit of Carbon on BBC Two at 2006-07-30 03:00:00
Open Science. [S269] 130 million years ago the Earth's atmosphere contained phenomenal quantities of carbon dioxide. But where did it all come from?

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