FILE - In this June 5, 2014, file photo, a man rides a bicycle through a part of Homs, Syria, devastated by the country's civil war. Climate Change is more than rising thermometers, wildfires, droughts and storms; it even has a hand in altering whale songs, flowering plants and civil war. Numerous studies have said it was a factor in record setting drought in Syria- one of several causes of the country’s civil war that triggered a massive refugee crisis. (AP Photo/Dusan Vranic, File)
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