The Microplastic Cycle: An Introduction to a Complex Issue -- Analytical Chemistry of Plastic Debris: Sampling, Methods, and Instrumentation -- Evaluating Microplastic Experimental Design and Exposure Studies in Aquatic Organisms -- Microplastics in Terrestrial and Freshwater Environments -- Marine Microplastics and Seafood: Implications for Food Security -- Weight of Evidence for the Microplastic Vector Effect in the Context of Chemical Risk Assessment -- Ecotoxicological Impacts of Micro- and Nanoplastics in Terrestrial and Aquatic Environments -- Dietary Exposure to Additives and Sorbed Contaminants from Ingested Microplastic Particles Through the Consumption of Fisheries and Aquaculture Products -- The Microplastic-Antibiotic Resistance Connection -- The United Nations Basel Convention’s Global Plastic Waste Partnership: History, Evolution and Progress -- Solutions to Plastic Pollution: A Conceptual Framework to Tackle a Wicked Problem.