President Barack Obama and Pope Francis shake hands
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Pope Francis urges climate change action on US visit

Pope Francis has been given a 21-gun salute and a full ceremonial welcome at the White House in Washington by US President Barack Obama.

It is the pontiff's first visit to the US - and he opened it with a call for action to combat climate change.

The BBC's Jon Sopel reports.

  • 23 Sep 2015
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