Caffeine Content / Caffeine Content for swagÍâÁ÷ en Buzz Killer: Caffeine Pollutes. Can Bacteria Help? /climate/news/buzz-killer-can-caffeine-addicted-bacteria-clean-coffee-pollution Caffeine-addicted bacteria may be just the buzz killer needed to clean up coffee pollution. swagÍâÁ÷ is on it. Plus, 5 ways you can clean up your coffee habit. January 11, 2023 - 12:55pm Katherine E Kerlin /climate/news/buzz-killer-can-caffeine-addicted-bacteria-clean-coffee-pollution