Empty places next to the Secretary-General of the conference, Sha Zukang: leading politicians like Merkel, Obama and Cameron didn't travel to Rio. (© AP/dapd)
More than a hundred heads of state and government have been discussing global environmental problems at the UN conference Rio+20 since Wednesday. Today they plan to adopt the declaration The Future We Want. Commentators see the declaration, which was already drawn up in advance of the conference, as a farce, and can understand why many leading politicians have stayed away from the summit.
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