Soylent Green is part of the Holy Trinity of Weird Movies made by Charlton Heston in the 1970’s. The other two are Planet of The Apes and The Omega Man. All three are slightly over serious movies set in a very unfriendly future. Unfriendly to normal humans as we know them today anyway. Soylent Green is based on Harry Harrison’s Make Room! Make Room! about a very crowded future were there is no food except the Soylent Company products of Soylent Green, Solyent Red and Solyent Yellow. Each is supposed to be made from soybeans and lentils and plankton. But…