Global temperature is dropping, not rising.

Environmental doomsayers may still be claiming that we must radically reduce carbon-dioxide and other "greenhouse" gas emissions in order to prevent catastrophic global warming, but they cling to that position despite the fact that the warming they've been forecasting has not occurred. In fact, the average global temperature has gone down, not up, in recent years.

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The divergence between IPCC (Intergovernmental Panel on Climate Change) temperature predictions and the actual temperature record was graphically illustrated in a March 16, 2009 internal report by EPA research analyst Alan Carlin entitled "Comments on Draft Technical Support Document for Endangerment Analysis for Greenhouse Gas Emissions under the Clean Air Act."

Dr. Carlin's very telling graph, from page four of his report, is reproduced here. As Carlin explains on the page following the graph, the red, purple, and orange lines show IPCC temperature predictions assuming different emission scenarios; the yellow line shows what the IPCC claims would happen if the C[O.sub.2] concentration were to remain the same; and the blue and green lines show the actual temperature records based on ground and satellite readings, respectively. The lines reflecting the actual temperature records are the only lines dropping instead of climbing. In fact, the actual global temperature has fallen by 0.3[degrees]C in just the last three years according to the satellite data.

The EPA document also notes that the actual data conflict with the theory that C[O.sub.2] causes temperature to rise: "What's really rather remarkable, is that since 2000, the rates at which C[O.sub.2] emissions and concentrations are increasing have accelerated.... And yet, despite accelerating emission rates and concentrations, there's been no net warming in the 21st century, and more accurately, a decline."

In the preface of his report, Carlin opined that his "concerns and reservations are sufficiently important to warrant a serious review of the science by EPA before any attempt is made to reach conclusions on the subject of endangerment" from greenhouse gases. But the concerns raised by Carlin are not the concerns the Obama administration wants raised.