 USA TODAY | World heads to Rio for Earth Summit ABC Online The United Nation's biggest ever Earth Summit is about to begin in Rio de Janeiro but almost every key indicator of environmental health has gone backwards since the first summit 20 years ago. EMMA ALBERICI, PRESENTER: More than 50000 people are ... Rio+20 environment conference gearing up in Brazil Rio+20 summit must move world beyond 'grow now, clean up later' Canada needs to show leadership at Earth Summit, Charest says |
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