All articles in the paper edition appear in the electronic version. But the electronic version sometimes includes additional articles which are not published in the paper edition.
Articles generally appear first in the electronic edition.
Furthermore, the electronic edition contains far more extensive references and background information. The electronic edition, however, does not contain some of the illustrations which appear in its paper counterpart. This distinction results from limitations which owners place on the electronic reproduction of their illustrations. Subscriptions to the hard-copy version of Global Change are free. However, because relatively few copies are printed, not all subscription requests can be honored.