Opposing Viewpoints Series - Global Warming

Most scientists agree that temperatures near the surface of the Earth appear to be increasing, but there is controversy about what this warming might mean. This volume explores the controversy.

Is it a potentially catastrophic event caused by humans, or simply a natural and harmless fluctuation such as Earth has seen before? Should governments take steps, including those described by the Kyoto Protocols, to slow down Global Warming -- and would these steps be effective? (20020801)