Travelers wait for their baggage next to an advertising sign showing a picture of grown old German Chancellor Angela Merkel and reading 'I'm sorry. We could have stopped catastrophic climate change...we didn't' at the Copenhagen airport on December 6, 2009 in Copenhagen, Denmark. Politicians and environmentalists will meet for the United Nations Climate Change Conference 2009 which opens on December 7 and runs until December 18. By Miguel Villagran/Getty Images.
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