Global warming caused by nature, not people - study

02 June 2009 22:25  [Source: ICIS news]

WASHINGTON (ICIS news)--A new study says humans are not to blame for global warming and that efforts to control greenhouse gas emissions are pointless, the author said on Tuesday.

The study, Climate Change Reconsidered, is critical of the 2007 Fourth Assessment Report by the UN’s Intergovernmental Panel on Climate Change (IPCC), which points to a large human role in climate change.

The UN report “is marred by errors and misstatements [and] ignores scientific data that were available but were inconsistent with the authors’ preconceived conclusions”, according to the new study.

The IPCC's Fourth Assessment Report was awarded the 2007 Nobel Peace Prize along with former US Vice President Al Gore.

Fred Singer, co-author of the Climate Change Reconsidered study and president of the Science & Environmental Policy Project (SEPP), said his report “demonstrates the evidence that nature is the main cause of climate change - not human activities”.

The 2007 UN IPCC report concluded that 20th century climate changes were very likely due to increases in emissions of carbon dioxide (CO2) and other greenhouse gases (GHG) caused by human activity.

The US Congress is considering major climate control legislation that, among other things, would impose a cap-and-trade emissions reduction mandate on US industry and consumers.  Authors of that bill in part cite the UN IPCC report as justification for a legislative response to global warming.

However, in the report co-authored with Craig Idso, Singer argued that a scientific review of earth’s temperature records “finds no support for the IPCC’s claim that climate observations during the twentieth century are either unprecedented or provide evidence of an anthropogenic effect on climate”.

He contends, and cites support from other scientists, that variations in solar activity are responsible for climate fluctuations and that human contribution is miniscule.

“Consequently, any efforts to control emissions of greenhouse gases are not only hugely expensive and ineffective but completely pointless,” Singer said.

Singer also is a professor emeritus of environmental science at the University of Virginia.  Idso is chairman of the Center for the Study of Carbon Dioxide and Global Change.  Both are members of the Nongovernmental International Panel on Climate Change (NIPCC), which was formed in 2007 as a counter to the UN’s IPCC.

The group’s new study, which is published by the conservative Heartland Institute, was released on Tuesday at the NIPCC’s third annual conference on climate change in Washington.

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By: Joe Kamalick
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