Pope in Christmas video message
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Pope's Christmas message on 'wastefulness'

21 December 2013 Last updated at 08:29 GMT

Pope Francis has released a Christmas video message in an attempt to tackle the level of waste in society.

He used the work of the "cartoneros" - the Spanish name given to poor people around the world who pick through rubbish to find reusable goods - to highlight the scale of the problem.

Ian Booth reports.