Cave's climate clues show ancient empires declined during dry spell

(PhysOrg.com) -- The decline of the Roman and Byzantine empires in the Eastern Mediterranean more than 1,400 years ago may have been driven by unfavorable climate changes.

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<p><a href="http://www.physorg.com/news147625840.html">Cave's climate clues show ancient empires declined during dry spell</a></p> <p>(PhysOrg.com) -- The decline of the Roman and Byzantine empires in the Eastern Mediterranean more than 1,400 years ago may have been driven by unfavorable climate changes.</p>