Damage to world's oceans 'to reach $2 trillion a year.'

The cost of damage to the world's oceans from climate change could reach $2 trillion a year by 2100 if measures to cut greenhouse gas emissions are not stepped up, a study by marine experts said on Wednesday.

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http://www.reuters.com/article/2012/03/21/climate-cost-oceans-idUSL6E8EK22Q20120321