NCPA - National Center for Policy Analysis


December 29, 2007

As Al Gore, the United Nations and other members of the alarmist railroad relentlessly continued their drive for greenhouse gas regulation in 2007, the year\'s scientific developments actually pointed in the opposite direction, says Steven Milloy, adjunct scholar at the Competitive Enterprise Institute.

For instance:

  • Observed temperature changes measured over the last 30 years don\'t match well with temperatures predicted by the mathematical climate models relied on by the U.N.'s Intergovernmental Panel on Climate Change (IPCC), researchers reported.
  • The models predict significantly warmer atmospheric temperatures than actually occurred, despite the availability of more and better quality data and improved modeling efforts since the late-1970s.

In addition:

  • Another new temperature reconstruction for the past 2,000 years indicates that globally averaged temperature 1,000 years ago was about 0.3 degrees Celsius warmer than the current temperature.
  • Since that climatic "heat wave" obviously wasn\'t caused by coal-fired power plants and SUVs, the current temperature is quite within natural variability, deflating alarmists\' rash conclusions about the warming of the past 50 years.


  • Researchers reported that the rate of manmade carbon dioxide (CO2) emissions was three times greater during 2000 to 2004 than during the 1990s.
  • Since increasing atmospheric C02 levels allegedly cause global warming, the new study must mean that global temperatures are soaring even faster now than they did during the 1990s.
  • But according to the most recent data from the U.S. Department of Commerce\'s National Climatic Data Center, ever-changing global temperatures are in no way keeping pace with ever-increasing atmospheric carbon dioxide levels.

Al Gore and the alarmist mob claim the debate about the science of global warming is "over," says Milloy.  Given the developments of 2007, it\'s easy to see why they would want it that way.

Source: Steven Milloy, "Top 10 Climate Myth-Busters for 2007,", December 27, 2007.

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