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Campus greening is an important element in implementing sustainability at the university level. It is not a new issue and has been practiced for decades. However, recent developments powered partly by concerns over issues such as global warming—and also the costs associated with universities’ operations—have catalyzed new thinking about infrastructure development, research programs, investment decisions, and learning regarding the green campus. Since the 1970s, students and staff have been participating, in varying amounts, in greening campus processes. Their efforts have focused primarily on areas such as increased recycling, waste reduction, water conservation, and purchasing (e.g., recycled paper). Others have included issues such as sustainable transport or sustainable energy use. These actions have both served the purpose of allowing money and resources to be saved, and also motivated wider community engagement in the sustainability of campus operations as a whole. Although many higher education institutions across the world are engaging in campus greening initiatives, it is as yet unclear how campus greening can be used as tool toward institutional sustainability efforts. This chapter fills in the gap with respect to scientific works focusing on campus greening programs on the one hand, but with a focus on the role of institutionalized approaches on the other. This chapter provides examples of good practice of campus greening, and assesses what may be necessary to encourage higher education institutions to move beyond campus greening at the institutional level toward a more holistic approach to sustainability.