Internet blocks return in Iran after brief opening (Update)

Word of the opening of Iran's blocked social media sites was spread, of course, by social media itself: in celebratory tweets and breathless Facebook posts. Hours later, the same sites Tuesday chewed over the sobering reality ...

New Zealand won't sign 'Kyoto 2' climate treaty

(AP)—New Zealand's government said Friday that it would not sign on for a second stage of the Kyoto Protocol climate treaty, a stance that angered environmentalists and political opponents.

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