Sudden Collapse in Ancient Biodiversity: Was Global Warming the Culprit?

Scientists have unearthed striking evidence for a sudden ancient collapse in plant biodiversity. A trove of 200 million-year-old fossil leaves collected in East Greenland tells the story, carrying its message across time to us today.

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<p><a href="http://www.physorg.com/news164556026.html">Sudden Collapse in Ancient Biodiversity: Was Global Warming the Culprit?</a></p> <p>Scientists have unearthed striking evidence for a sudden ancient collapse in plant biodiversity. A trove of 200 million-year-old fossil leaves collected in East Greenland tells the story, carrying its message across time to us today.</p>