Climate Change
Spencer believes that most climate change is natural in origin, the result of long-term changes in the Earth’s albedo (sunlight reflectivity) and that anthropogenic greenhouse gas emissions have caused some warming, but that its warming influence is small compared to natural, internal, chaotic fluctuations in global average cloud cover.
In 2006 Spencer criticized Al Gore's documentary An Inconvenient Truth, saying, "For instance, Mr. Gore claims that the Earth is now warmer than it has been in thousands of years. Yet the latest National Academies of Science (NAS) report on the subject has now admitted that all we really know is that we are warmer now than we were during the last 400 years, which is mostly made up of the 'Little Ice Age'".
In a New York Post opinion column on February 26, 2007, Spencer wrote:
Contrary to popular accounts, very few scientists in the world – possibly none – have a sufficiently thorough, "big picture" understanding of the climate system to be relied upon for a prediction of the magnitude of global warming. To the public, we all might seem like experts, but the vast majority of us work on only a small portion of the problem.In an interview with conservative talk show host Rush Limbaugh on February 28, 2007, Spencer stated that he doesn't believe "catastrophic manmade global warming" is occurring. He also criticized climate models, saying "The people that have built the climate models that predict global warming believe they have sufficient physics in those models to predict the future. I believe they don't. I believe the climate system, the weather as it is today in the real world shows a stability that they do not yet have in those climate models." Roy Spencer is also included in a film that argues against the theory of man-made global warming called The Great Global Warming Swindle.
He testified before the Waxman committee's examination of political interference with climate science on March 19, 2007.
He is a signatory to the Cornwall Alliance's An Evangelical Declaration on Global Warming.
Spencer has published two books on climate change: In 2008, Climate Confusion: How Global Warming Hysteria Leads to Bad Science, Pandering Politicians and Misguided Policies that Hurt the Poor, and in 2010, The Great Global Warming Blunder: How Mother Nature Fooled the World’s Top Climate Scientists.
Read more about this topic: Roy Spencer (scientist), Views
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