Citrus, a vital fruit crop worldwide, is grown extensively in subtropical and tropical regions, producing over 20 million tons of lemon annually. The citrus industry, in particular lemon manufacturing, produces huge volumes of peel waste, posing environmental and economic challenges. This chapter discusses present citrus peel waste disposal practices and their environmental consequences, highlighting the need for sustainable alternatives and a complete overview of emerging technologies and tactics targeted at valorizing citrus peel waste, including bioconversion, extraction of important chemicals, and application in the production of eco-friendly goods. Furthermore, explores the environmental impact of various disposal techniques and provides insights into how implementing sustainable practices might reduce the environmental footprint associated with citrus peel waste. The biochemical composition of lemon peel, novel extraction techniques for bioactive components, and the possible applications of citrus peel waste in many industries are among the key subjects covered. The chapter also addresses the economic viability of implementing sustainable citrus peel waste management procedures, as well as their potential to build a circular economy within the citrus industry. It is possible that researchers, regulators, and industry stakeholders who are looking for sustainable solutions for managing citrus peel waste would find this chapter to be a useful resource because it assesses future prospects and synthesises the findings of previous research. This chapter provided the management and valorization of lemon citrus peel waste, emphasizing its potential in sustainable practices and industrial applications. It showcased the importance of leveraging citrus peel waste, particularly from lemons, to contribute to environmental sustainability and economic value creation across industries.