The team at UnEarthed, an investigative journalism project funded by Greenpeace in the UK, went undercover and got ExxonMobil execs on tape talking through the company's climate playbook in detail. Today, an unpublished part of that report, in which a former Exxon lobbyist details the company's and the industry's plans on plastics.

Amy is the executive editor of Drilled, an award-winning investigative climate journalist, and author of the book Brought To You By. She has been on the climate beat for more than 20 years, reporting for...