Nice article, Professor Petroski. I, too, was a paperboy. It was the early 1960s. I remember delivering the paper announcing Kennedy has been shot. I'd get to my pile of papers at about 4:30 a.m. and fold each one before filling my canvas sack. If you folded them tight enough, they stayed together when they landed on the front porches or sidewalks. I'll never forget the fold. It didn't work for the Sunday papers, though.
Although plastics make up only about 11% of all US municipal solid waste, many are actually more energy-dense than coal. Converting these non-recycled plastics into energy with existing technologies could reduce US coal consumption, as well as boost domestic energy reserves, says a new study.
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