Idle Oil Well in Coalinga Oil Field - Fresno County, CA (Image: Antandrus; https://creativecommons.org/licenses/by-sa/3.0/deed.en ) Deserted oil wells haunt Los Angeles with toxic fumes and enormous cleanup costs (Mark OLALDE and Ryan MENEZES, Los Angeles Times ; March 5, 2020) https://www.latimes.com/environment/story/2020-03-05/deserted-oil-wells-los-angeles-toxic-fumes-cleanup-costs The toxic legacy of old oil wells: California’s multibillion-dollar problem (Mark OLALDE and Ryan MENEZES, Los Angeles Times ; February 6, 2020) https://www.latimes.com/projects/california-oil-well-drilling-idle-cleanup/ Report: $550 Million Needed to Plug Abandoned California Oil, Gas Wells (Press Release, Center for Biological Diversity ; January 24, 2020) https://biologicaldiversity.org/w/news/press-releases/report-550-million-needed-plug-abandoned-california-oil-gas-wells-2020-01-24/ (Image: Wikimedia Commons - P...