Environmental activist groups filed petitions with the U.S. Food and Drug Administration to remove two chemicals from their safe list that are used in the production of decaffeinated coffee. Trichloroethylene and methylene chloride were found to cause cancer decades ago by the National Cancer Institute. Notably, the U.S. Environmental Protection Agency recently banned the use of methylene chloride for industrial use due to its risk of causing cancer and other serious health conditions. Safer methods for decaffeinating coffee exist, and some brands, like Peet’s Coffee, have made the switch. To find out how a brand of coffee is decaffeinated, consumers can visit CheckYourDecaf.org or contact the producer.