To provide an image forming apparatus which can effectively promote reduction in environmental load through giving a strong incentive to a user having a role of promoting the reduction in the environmental load.

When use of various functions by a logged in user is for the use of the function with a high degree of contribution regarding reduction on the environmental load, for example, in a two in one printing function, corresponding environmental points are given and by integrating such environmental points into a service use track record for the user, the service use track record for the user is updated and managed. Here, various privileges such as reduction in service use charge, alleviation of service use restrictions or an advantage in use priority for various functions are given.