 Voice of America | UN Environmental Summit Opens in Rio Voice of America Leaders from more than 100 nations are meeting in Rio de Janeiro Wednesday for the first day of a three-day United Nations environmental summit. The leaders are expected to put the finishing touches on a draft document approved by diplomats from more ... Rio: pollution rife during UN enviro conference Rio+20: Progress on Earth issues 'too slow' - UN chief Rio+20: the Earth Summit diaries, Wednesday 20 June |
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