UN Secretary-General says Rio+20 marks a beginning for the world

20 June 2012

The landmark Rio+20 conference opened on Wednesday with a call for action from heads of state and governments as the world watches. 

In his address to the opening ceremony, UN Secretary-General Ban Ki-moon said the conference is an opportunity to renew political commitment for sustainable development. 

Dianne Penn reports.

Duration: 2'08"


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