15/03/2012 08:00
Richard Black
Gear change on road to Rio?
One of the biggest questions being asked in the lead-up to the Rio+20 conference this June is also one of the oldest.
In a nutshell: does the way humanity governs itself need a series of tweaks or a complete overhaul, in order to meet the broadest ambitions of improving the lot of the planet's poorest, safeguarding nature and making the global economy more sustainable?
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