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pope climate change moral dnt sidner_00010821
pope climate change moral dnt sidner_00010821

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    Pope: Curbing climate change is moral duty

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Pope: Curbing climate change is moral duty

Two minutes is all Science Professor Veerabhadran Ramanathan had to convince the Pope to speak up about Global Warming. CNN's Sara Sidner reports.

Pope: Curbing climate change is moral duty

Two minutes is all Science Professor Veerabhadran Ramanathan had to convince the Pope to speak up about Global Warming. CNN's Sara Sidner reports.