The science group said in the report that although global warming is getting worse, it is not clear how much of the problem is caused by human activity.

CNN: Bush plugs new plans to study global warming

And although it cites global warming as a contributing factor, the report concludes that there were other influences as well.

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Although greens worried that global warming might be happening faster than previously thought, such a conclusion is premature.

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Obama did not say that global warming is real although it would appear that he wanted us to misconstrue what he said to mean just that.

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Although given the US government's approach to global warming, this might only encourage them.

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In America, although the Bush administration remains hostile to any mandatory action on slowing global warming, it is keen to boost nuclear power.

ECONOMIST: Nuclear power