As momentum builds at the Rio+20 Earth Summit, two leading oceans experts point the finger at US negotiators as the stumbling block for a new treaty, but praise Brazil for taking the lead.
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As momentum builds at the Rio+20 Earth Summit, two leading oceans experts point the finger at US negotiators as the stumbling block for a new treaty, but praise Brazil for taking the lead.
Podcast: Play in new window | Download
Subscribe: RSS