reading university logo Modelling Climate Change - past and future walker institute logo

With this model you can investigate the causes of global temperature rise over the 20th century and project global temperature out to 2100

Past Temperature
Future Temperature


Global temperature has increased by 0.7°C over the 20th century. Can we explain why?

The following factors can affect global temperature. Try different combinations of the factors below to try and reproduce global temperature change over the 20th century

Select which factors you want on by ticking or unticking the boxes below:


Man Made



We expect global temperature to continue to rise. The amount of greenhouse gases we emit will determine just how much hotter the Earth will get.

Select future emissions of greenhouse gases:

There is some uncertainly in how sensitive the climate system is to increasing greenhouse gases. Select the climate sensitiviy below:

Based on a climate model developed by Professor Keith Shine, Department of Meteorology, University of Reading following the methodology of Hansen, J, Johnson, D., Lacis, A., Lebedeff, S., Lee, P., Rind, D. and Russell, G. 1981 Climate Impact of Increasing Atmospheric Carbon Dioxide, Science, 213:957-966.