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This paper studies the optimization of microgrid plant and controller features to reduce environmental impacts. The configuration and control of grid technology is critical for storing and supplying energy. While these systems are traditionally designed for maximizing efficiency and frequency regulation, there is a shift towards minimizing grid environmental footprints. This work presents a framework to enable sustainability-centric microgrid design, with two main features. The first is the inclusion of control co-design (CCD), which expands the design space and potential capabilities of the microgrid. The second is the introduction of sustainability-centric objective functions, categorized into environmental impact from microgrid component manufacturing, operation, and disposal. After introducing the candidate microgrid’s model, controller, and CCD framework, the system is optimized to support a data center during a blackout. The relationship between the sustainability objective functions and the plant and controller design variables are explored. Pareto fronts are identified and studied, providing a comparison of the influence of each sustainability category on environmental impact.