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Climate negotiators could take a leaf out of the global postal sector's book.
Agreement in Durban on a roadmap to a future global treaty will see Europe continue a second period of binding emissions cuts, but Green groups say the deal is imprecise.
Connie Hedegaard's risk in Durban was redemption for the EU after its embarrassing failure at the UN climate summit in Copenhagen in 2009.
South Africa and Brazil are now prepared to sign up to a roadmap, but other major countries are holding out.
There are only two paths to choose between at Durban.