2022 is 'Soylent Green' year. Here's why you shouldn't worry.

If you know the 1973 movie Soylent Green at all, it's likely for the arresting last line. "Soylent Green is people," lead actor Charlton Heston bellows as he is carried away on a stretcher, simultaneously becoming a meme and summing up the plot so thoroughly that there's little need to catch the rest of the film. (Soylent Green...