Amy Pruden delivered a keynote lecture at the International Water Association Microbial Ecology and Water Engineering Conference. She discussed the microbial ecological processes that may either enhance or reduce the spread of antibiotic resistance genes during waste management, water treatment, and distribution. Antimicrobial Resistance in Wastewater Treatment Plants: A Call to Action. International Water Association Specialty Group on Microbial Ecology and Water Engineering. Sept. 4-6, Copenhagen, Denmark (2016- forthcoming).