This report provides a comprehensive analysis of nuclear power as an environmentally friendly energy source in the United States. It begins with an overview of the environmental challenges posed by fossil fuels and the need for low-carbon energy solutions. The report then delves into the history of nuclear energy, its current state in the US, including the number of reactors, energy production, and technological advancements. It explores the impact of nuclear energy on other energy systems, particularly fossil fuels, and discusses the opportunities and limitations of nuclear power, including the challenges of radioactive waste disposal and public perception. The report also examines the economic and political factors influencing the development of nuclear energy in the US, including government loans, regulatory approvals, and public opposition. Finally, it concludes with a discussion of the future of nuclear energy in the United States, considering both its potential and the barriers it faces.