Ever since we wrote about eco-porn, we’ve noticed a lot of interest in “green” sex.  People want to know how to express their love of the environment through … well, making love.

Although porn doesn’t yet come with “100% Certified Organic” labels – and no, there’s no Fair Trade porn movement just yet – two women are trying to change all that.

Professor Elizabeth M. Stephens and former porn star Annie M. Sprinkle have invented what they call “SexEcology: the art of exploring the Earth as a lover.”