article_snippet: Addressing the congregation, Prince Charles said: 'If we wish to maintain we civilization, then we must look after the Earth.
article_snippet: In failing the Earth, we are failing humanity.'
article_snippet: Addressing the congregation at the Cathedral of Assumption President Barack Obama said: 'If we wish to maintain we civilization, then we must look after the Earth.
article_snippet: In failing the Earth, we are failing humanity.'