Use this calculator to estimate future global temperature changes. Enter either the begin/end atmospheric CO2 ppm levels, or enter future years' ppm growth (hypothetical linear trend growth rate).
Enter new data in yellow boxes; updated results will be show in red boxes. Refresh browser to reset to default values.
The estimator/estimator requires the device's browser to have Flash Shockwave capabilities (correct plug-in needs to be installed - most desktop and laptop browsers will be able to handle Shockwave and most tablets and smartphones may likely not).
To use the calculator/estimator: Simply input new data in the yellow boxes. Tab to the yellow box (or place cursor in yellow box) that will have new information; highlight (select) the existing entry then type in the new data; and then press the Enter/Return key. To reset the calculator/estimator to default values and start fresh, click the browser refresh button or click on the 'Reset' button at bottom of calculator.