'Catastrophe' climate warnings as carbon levels break new records

The lower Manhattan skyline in New York City pictured from Brooklyn on September 11, 2014Rising seas from global warming could submerge swathes of New York and Shanghai, and drive millions of people into poverty worldwide, researchers warned Monday as climate-altering carbon levels broke new records. The slew of fresh planetary warnings came as ministers met in Paris searching common ground of a crunch climate summit. If the planet warms by four degrees Celsius (7.2 degrees Fahrenheit) — double the targeted UN ceiling — oceans will swallow land inhabited by more than 600 million people, said a survey by Climate Central, a US-based research group.

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