[poopypoopington]

Or fruit and vegetables. The alternative to meat isn't Soylent Green, but of course you're just a troll you don't want to debate facts.

[eplanit]

Technically, Soylent Green was made of people (the plot of the movie). The premise of it though was Soylent (Blue, Yellow,...) foods were (supposed to have been) made from vegetable and seaweed protein -- which is not so much science fiction anymore w.r.t. Beyond Meat and other such products.