Respiratory disorders, such as asthma and chronic obstructive pulmonary disease (COPD), significantly impact millions of lives globally. Green nanotechnology offers innovative solutions to improve respiratory health by providing targeted drug delivery systems that enhance treatment efficacy and reduce side effects. This eco-friendly approach minimizes environmental impact while maximizing therapeutic benefits. By harnessing the power of green nanotechnology, we can develop more effective treatments and promote healthier breathing for those affected by respiratory disorders. Embracing these advancements paves the way for a sustainable and healthier future. This chapter delves into the intersection of respiratory health and nanotechnology, highlighting the transformative potential of green nanotechnology in healthcare. It begins with an introduction to respiratory disorders, emphasizing the critical importance of addressing respiratory health. The fundamentals of nanotechnology are then explored, followed by its diverse applications in medicine. Green nanotechnology is defined, with a discussion on its principles, advantages, and challenges. The chapter examines current treatments for respiratory disorders, identifying their limitations and the promising role of nanotechnology in overcoming these challenges. The environmental impact of nanotechnology is considered, with a focus on green nanotechnology solutions. Case studies showcase innovative applications of nanotechnology in respiratory health, providing real-world examples of its potential. The regulatory framework and safety considerations for green nanotechnology are outlined, ensuring responsible development and use. Finally, the chapter looks ahead to future perspectives, identifying emerging trends in nanotechnology that could further revolutionize respiratory healthcare.