But while the report says the United States will be substantially changed in the next few decades — "very likely" seeing the disruption of snow-fed water supplies, more stifling heat waves and the permanent disappearance of Rocky Mountain meadows and coastal marshes, for example — it does not propose any major shift in the administration's policy on greenhouse gases.It recommends adapting to inevitable changes. It does not recommend making rapid reductions in greenhouse gases to limit warming, the approach favored by many environmental groups and countries that have accepted the Kyoto Protocol, a climate treaty written in the Clinton administration that was rejected by Mr. Bush.
The new document, "U.S. Climate Action Report 2002," strongly concludes that no matter what is done to cut emissions in the future, nothing can be done about the environmental consequences of several decades' worth of carbon dioxide and other heat-trapping gases already in the atmosphere.
Its emphasis on adapting to the inevitable fits in neatly with the climate plan Mr. Bush announced in February. He called for voluntary measures that would allow gas emissions to continue to rise, with the goal of slowing the rate of growth.