(n) The legendary end of the world as prophesied in the theological teachings of the First Church of the Environment (Fundamentalist) by Envirofundamentalist
s. The most common vision of the ecopocalypse involves the global climate passing a "tipping point" and the Earth turning into a burnt-out hulk no longer able to support life. Other variations on this theme include all the Earth's glaciers melting and turning Earth into Waterworld, and a global-warming induced ice age.
Repent! For the ecopocalypse is upon us in 10 years.... and it'll always be upon us in 10 years.