After three months awaiting trail, activists detained in Russia for protesting an offshore drilling rig have been released. The unexpected move is widely seen as a push for an improved international image as Russia prepares to host the Winter Olympics in February.
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By 2100, ocean acidification is predicted to increase by 170 percent if current rates of greenhouse gas emissions continue. More acidic water will make the oceans unlivable for about 30 percent of ocean species.