Washington - Three new US reports released Wednesday found that the threat from climate change was real, and urged policymakers to put a price on the carbon pollution that causes global warming.
The reports by the non-partisan National Academy of Scientists, requested by the US Congress, came as legislation that would curb US greenhouse-gas emissions faces an uphill battle in the Senate.
The findings also come as US-based sceptics of climate change have seized on errors in a much-cited United Nations climate report, as well as the "climategate" scandal at Britain's University of East Anglia, as evidence that the threat from global warming has been over-hyped.
The National Academy of Scientists found a "strong, credible body of evidence" backing assertions that global warming was in fact a threat, though the report acknowledges there is still much uncertainty over the degree and timing.
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