Quantum computing is poised to revolutionize various industries, and its potential in addressing environmental challenges is particularly promising. This chapter explores how quantum computing can unlock sustainable solutions for environmental issues, from climate change mitigation to resource optimization. By leveraging the power of quantum algorithms, complex environmental models can be simulated with unprecedented accuracy, enabling more effective strategies for carbon reduction, energy efficiency, and ecosystem management. The chapter examines key areas where quantum computing can make a significant impact, including renewable energy optimization, waste management, sustainable agriculture, and environmental monitoring. Furthermore, it discusses the challenges and opportunities in integrating quantum technologies into current environmental practices, offering a glimpse into the future of sustainable environmental solutions powered by quantum innovation.