What we need is not, as is so often argued, ... a new theology of nature but rather a return to the original message contained in the Bible and preached and practiced in the early church. ... Greening Christianity does not involve grafting on to it some alien philosophy but simply restoring its original character. Indeed, it means stripping off a whole series of alien layers that have accumulated to reveal the original greenness of the Garden of Eden and the cross on Calvary.