Anonymous, "Must Reads: The war on Southern California smog is slipping. Fixing it is a $14-billion problem", contributed by , Platform for Experimental Collaborative Ethnography, Platform for Experimental Collaborative Ethnography, last modified 8 February 2021, accessed 28 April 2024. https://worldpece.org/content/must-reads-war-southern-california-smog-slipping-fixing-it-14-billion-problem-0