Perspectives on Human Pharmaceuticals in the Environment.- Environmental Risk Assessment for Human Pharmaceuticals - the Current State of International Regulations.- Regulation of Pharmaceuticals in the Environment: The United States.- Environmental Fate of Human Pharmaceuticals.- Environmental Comparative Pharmacology: Theory and Application.- A Look Backwards at Environmental Risk Assessment: An Approach to Reconstructing Ecological Exposures.- Considerations and Criteria for the Incorporation of Mechanistic Sub-Lethal Endpoints into Environmental Risk Assessment for Biologically Active Compounds.- Human Health Risk Assessment for Pharmaceuticals in the Environment: Existing Practice, Uncertainty, and Future Directions.- Wastewater and Drinking Water Treatment Technologies.- Pharmaceutical Take Back Programs.- Index.