Atheistic theories of immortality

According to Mr. Wright, my tenth-grade social studies teacher, religion provides people with answers to three important questions: Where did we come from? Why are we here? Where are we going? The last question is particularly important, since the answers given are usually used to counteract the fear of death. Belief in an afterlife or resurrection is probably most of what makes religion so attractive to so many people. So if the science-based Church of Gaia/Earthseed is ever going to get anywhere, it will probably need to include one or more of these concepts: ( read the list )