And we check what the climate models give us against data from the real world.
In 1978-9 the British government spent a modest £250,000 on research, including the development of climate models.
In February 2006, the project moved on to more realistic climate models.
"Of course, scientists don't have climate models to predict more than 100 years in the future," she said.
For example, in a climate model the statistics may be simplified by having 12 months of 30 days.
Q. How does a person use a climate model to predict his own survival?
It's not accurate to say that climate models are statistical.
It's not a climate model that projects likely changes into the future, so it doesn't do any forecasting.
His research has mainly involved using climate models to study past, present, and future climates.
That's mainly interesting because it had been predicted by many climate models.