<P> The expression equates human impact on the environment to the product of three factors : Population , Affluence , and Technology . It is similar in form to the Kaya identity which applies specifically to emissions of the greenhouse gas carbon dioxide . </P>
<P> The expression equates human impact on the environment to the product of three factors : Population , Affluence , and Technology . It is similar in form to the Kaya identity which applies specifically to emissions of the greenhouse gas carbon dioxide . </P>
the i = pat formula says that our environmental impacts ( i ) are the product of
the i = pat formula says that our environmental impacts ( i ) are the product of
three factors : Population , Affluence , and Technology
three factors : Population , Affluence , and Technology