In A Greener Faith: Religious Environmentalism and Our Planet's Future , Roger Gottlieb documents an important piece of the broadening environmental movement: the religious community. In recent years, support for environmental causes in the religious circles has grown considerably, and today it is limited by neither geography nor religious affiliation. Through such groups as the National Religious Partnership on the Environment , movement leaders seek to bring a new moral dimension to environmental issues: if the earth is God's creation, they say, then the implications of befouling it go beyond science into ethical and religious realms. How do you respond (or how would a religious environmentalist respond) to those who argue that justifications for public policy should be entirely secular, so that they can be justifiable by all members of a pluralistic society? I think that this idea is a lovely except for one thing: it doesn't work. The simple fact is that as a large modern society...