Agricultural and Biofuel News: Rio+20 zero draft accepts 'planetary boundaries' - 0 views
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The latest draft of the so-called 'zero draft' document, which will be presented to heads of government at the Rio+20 Summit in June, has been amended to include an acknowledgement that there are scientifically assessed 'planetary boundaries' which, if overstepped, could result in irreversible damage to the Earth's systems.
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