Religious naturalism is an approach to spirituality that is devoid of supernaturalism. The focus is on the religious attributes of the universe/Nature, the understanding of it and our response to it (interpretive, spiritual and moral). These provide for the development of an eco-morality. Interest is growing in this modern movement, and, although it has an ancient heritage in many philosophical cultures, it is not currently well defined. Theistic or non-theistic religious naturalism is a basic theological perspective of
liberal religion and religious humanism. ...
http://en.wikipedia.org/wiki/Religious_naturalism