The scientific evidence is growing that man-made greenhouse gas emissions are having a significant effect on the earth's climate.

Computer driven mathematical models can evaluate the response of the climate system to predicted greenhouse gas concentration.

These computer models simulate a multitude of processes and feedback systems controlling the climate. The accuracy of the models can be assessed by running the models for past periods and comparing the output to observations. Equally, the models can be run forward into the future to evaluate the response of the climate system to predicted greenhouse gas concentrations.

It is worth noticing that reducing or increasing the carbon emission would impact the future climate.

However, even with powerful supercomputers, global climate simulations are rather coarse in scale. More detailed information can be obtained by using a Regional Climate Model (RCM), which focuses on a limited area of the globe. C4I has opted to use a Regional Climate Model developed at the Rossby Centre in Sweeden.