Soylent Green (1973)

Eco-disaster: Overpopulation Solution: Take all those extra dead bodies and turn them into "soylent green," the green food ration chips supposedly made from high-energy plankton. Credit a homicide detective, played by Charlton Heston, to be the spoiler to this efficient recycling system by informing the unwitting public, "Soylent green is people!" Sounds like a warning, but could also be an ad slogan. After all, flavor trumps everything.
Los Angeles Times file photo
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