The Science Isn't Settled: The Limitations of Global Climate Models

Computerized models of the earth's climate are at the heart of the debate over how public policy should respond to climate change.  Global climte models (GCMs) - also called global circulation models - attempt to predict future climatic conditions starting with a set of assumptions about how the climate works and guesses about what a future world might look like in terms of population, energy use, technologicl development, and so on. (... Read more)