Everyone is religious. People will have their religion. The particular religion does not, necessarily, have to include worship of a god -- but it must include a dogma and rituals. For many on the left, environmentalism has become a religion, no real surprise there. But the reason for the need of some religion, any religion, to fill the spiritual void on the left is rarely discussed. This article will examine some of the implications, and complications, of the new green creed -- which is, in fact, an ancient creed. It was once called "paganism."