Earth Climate Course: Radiation Balance Model

This RBM applet requires your web browser have a Java (version 1.3 or better) plugin installed.

Any bug reports and other technical questions and comments about this applet should be e-mailed to

If your computer is running a recent version of its operating system and states that it cannot run the module because of security settings, you may be able to run the desktop version of the module. Please see the information at the bottom of this page.

It does not appear that you Java installed, or else you have disabled it in your web browser preferences.

Desktop Version

The model can also be downloaded as a Java desktop application. This application requires that Java 6 be installed on your computer. Mac OS X users should be prompted by the system if you do not have Java installed. Windows users should go to if you do not have Java installed.