Scientists question the methodology by which the Intergovernmental Panel on Climate Change has made its long-term estimates of man-made carbon dioxide emissions for the twenty-first century.

The global warming hype is running out of (greenhouse?) gas, as it very much deserves.

The United States hasbeen so successful in improving environmental quality in recent years that we should be celebrating, not despairing.

Climate change is heating up again in American politics, the result of an orchestrated campaign to push the issue to the forefront.

Perhaps the time has come to consider competition as the means of checking the Intergovernmental Panel on Climate Change's monopoly and generating more reliable climate science.

The G8 summit was momentous. Its headlines managed to compete with the terrorist attack in London, andof thefew concrete agreements made, most were a triumph for U.S. diplomacy.

While average global temperatures rose slightly during the twentieth century, we do not have sufficient evidence to know definitively whether that rise was man-made or natural.