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Climate target ‘not radical enough’

The EU and its international partners must urgently rethink targets for cutting carbon dioxide in the atmosphere, a leading Nasa scientist warned on Monday, citing fears they have greatly underestimated the scale of global warming.
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James Hansen, head of the Nasa Goddard Institute for Space Studies in New York, called for the EU target of 550 parts per million of CO2 to be slashed to 350ppm, the Guardian reported.

The paper, which Hansen co-authored with eight other climate scientists, studied core samples taken from the bottom of the ocean.
It finds that at levels as high as 550ppm, the world would warm by 6 degrees Celsius. Previous estimates had suggested warming would be just 3 degrees at that point.

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