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\"The inside story of how nuclear energy--long considered scary, controversial, and even apocalyptic--has become the hot topic of the climate debate, and perhaps a vital power source of the future.\"--Amazon.

In Japan's Nuclear Disaster and the Politics of Safety Governance , Florentine Koppenborg argues that the regulatory reforms taken up in the wake of the Fukushima disaster on March 11, 2011, directly and indirectly raised the costs of nuclear power in Japan. The Nuclear Regulation Authority resisted capture by the nuclear industry and fundamentally altered the environment for nuclear policy implementation. Independent safety regulation changed state-business relations in the nuclear power domain from regulatory capture to top-down safety regulation, which raised technical safety costs for electric utilities. Furthermore, the safety agency's extended emergency preparedness regulations expanded the allegorical backyard of NIMBY demonstrations. Antinuclear protests, mainly lawsuits challenging restarts, incurred additional social acceptance costs. Increasing costs undermined pronuclear actors' ability to implement nuclear power policy and caused a rift inside the \"nuclear village.\" Small nuclear safety administration reforms were, in fact, game changers for nuclear power politics in Japan. Koppenborg's findings contribute to the vibrant conversations about the rise of independent regulatory agencies, crisis as a mechanism for change, and the role of nuclear power amid global interest in decarbonizing our energy supply.

This open access book traces the journey of nuclear law: its origins, how it has developed, where it is now, and where it is headed. As a discipline, this highly specialized body of law makes it possible for us to benefit from the life-saving applications of nuclear science and technology, including diagnosing cancer as well as avoiding and mitigating the effects of climate change. This book seeks to give readers a glimpse into the future of nuclear law, science and technology. It intends to provoke thought and discussion about how we can maximize the benefits and minimize the risks inherent in nuclear science and technology. This compilation of essays presents a global view in discipline as well as in geography. The book is aimed at representatives of governments - including regulators, policymakers and lawmakers - as well representatives of international organizations and the legal and insurance sectors. It will be of interest to all those keen to better understand the role of law in enabling the safe, secure, and peaceful use of nuclear technology around the world. The contributions in this book are written by leading experts, including the IAEA's Director General, and discuss the four branches of nuclear law - safety, security, safeguards and nuclear liability - and the interaction of nuclear law with other fields of national and international law.

As a major developer of commercial nuclear energy, China saw its developments improve year by year in relevant key indicators such as the number of commercial nuclear facilities, total installed capacity and electricity generation. Accordingly, the legal system of commercial nuclear energy in China has also improved in the past four decades in three phases: Beginning (1985–2002), Growth (2003–2015) and Maturity (2016–now). The legal needs of nuclear energy development, operation, supervision and regulation has been basically met with great focuses on authorities, nuclear safety licensing, disposal of radioactive nuclear wastes and nuclear materials. However, problems still exist, including an inefficient legal system, complicated organic system and inadequate supervision on those regulatory bodies. Looking ahead, efforts should be made in three aspects for safe and healthy development in China’s commercial nuclear industry, specifically, a better relevant legal system, safety management licensing and emergency response to nuclear accidents.

With the increasing standards of safety management in nuclear power plants, Living Probabilistic Safety Assessment (Living PSA) technology has begin to play an increasingly important role in their operation. This paper aims to provide an overview of the application and development of Living Probabilistic Safety Assessment (Living PSA) technology in nuclear power plant safety monitoring and risk assessment, examining the key technologies and future challenges. Initially, we summarize the current safety needs in regard to nuclear power, examine the policy on configuration risk management technology for nuclear power plants, and outline its importance and development process in nuclear power plant safety management. Subsequently, we discuss the basic principle of Living PSAs and the working method of risk monitoring based on Living PSAs, including information monitoring data collection, online identification, real-time model updating, and risk calculation. Within the Living PSA framework, model development is not merely about creating a theoretical or static representation; it is a dynamic and ongoing process that involves a deep understanding and precise simulation of the behavior of nuclear power plant systems and components. This represents the main research efforts in Living PSAs at present. Additionally, this paper identifies the key technologies of Living PSAs in an in-depth manner, such as the reliability-model-updating technology and model building in dynamic reliability analyses, including the fault tree model, multi-layer flow model, GO-FLOW model etc. The paper lists the work of some scholars in this area in recent years, which helps readers and researchers to clearly understand the current progress of Living PSA technologies in terms of model establishment and updating. Finally, the paper summarizes the challenges and future development of Living PSA and emphasizes the possible problems in data quality, human factor engineering, and the development of Living PSA technologies in the future. In the future, Living PSAs will provide more solid support for the realization of safer and more economical methods of operating nuclear power plants.

Marine sources contribute approximately 2% of global energy-related CO₂ emissions, with the shipping industry accounting for 87% of this total, making it the fifth-largest emitter globally. Environmental regulations by the International Maritime Organization (IMO), such as the MARPOL (International Convention for the Prevention of Pollution from Ships) treaty, have driven the exploration of alternative green energy solutions, including nuclear-powered ships. These ships offer advantages like long operational periods without refueling and increased cargo space, with around 200 reactors already in use on naval vessels worldwide. Among advanced reactor concepts, the molten salt reactor (MSR) is particularly suited for marine applications due to its inherent safety features, compact design, high energy density, and potential to mitigate nuclear waste and proliferation concerns. However, MSR systems face significant challenges, including tritium production, corrosion issues, and complex behavior of volatile fission products. Understanding the impact of marine-induced motion on the thermal–hydraulic behavior of MSRs is crucial, as it can lead to transient design basis accident scenarios. Furthermore, the adoption of MSR technology in the shipping industry requires overcoming regulatory hurdles and achieving global consensus on safety and environmental standards. This review assesses the current progress, challenges, and technological readiness of MSRs for marine applications, highlighting future research directions. The overall technology readiness level (TRL) of MSRs is currently at 3. Achieving TRL 6 is essential for progress, with individual components needing TRLs of 4–8 for a demonstration reactor. Community Readiness Levels (CRLs) must also be addressed, focusing on public acceptance, safety, sustainability, and alignment with decarbonization goals.

Objective: This study aims to analyze nuclear licensing in Brazil, highlighting its regulatory framework, challenges, and future perspectives. The research seeks to understand how the current normative structure impacts the development and operation of nuclear facilities in the country.   Theoretical Framework: The study is grounded in concepts of regulatory law, nuclear safety, and risk management. It considers national and international regulations, including the legal framework established by the Brazilian National Nuclear Energy Commission (Cnen) and the guidelines of the International Atomic Energy Agency (IAEA).   Method: The research adopts a qualitative approach, conducting a documentary analysis of legislation, regulatory standards, and institutional reports. Additionally, interviews with nuclear sector experts are carried out to deepen the discussion.   Results and Discussion: Findings indicate that nuclear licensing in Brazil faces challenges related to regulatory complexity, lengthy approval processes, and the need for greater alignment with international standards. The discussion also addresses the impact of recent regulatory changes and their implications for new projects.   Research Implications: The findings contribute to improving the regulatory process, supporting policymakers and industry stakeholders in enhancing efficiency and safety in Brazil’s nuclear energy expansion.   Originality/Value: This study provides a critical analysis of nuclear licensing, offering an updated perspective on its challenges and potential solutions.

Background In the rapidly evolving field of nuclear medicine, the paramount importance of radiation protection, safety, and quality systems cannot be overstated. This document provides a comprehensive analysis of the intricate regulatory frameworks and guidelines, meticulously crafted and updated by national and international regulatory bodies to ensure the utmost safety and efficiency in the practice of nuclear medicine. Methods We explore the dynamic nature of these regulations, emphasizing their adaptability in accommodating technological advancements and the integration of nuclear medicine with other medical and scientific disciplines. Results Audits, both internal and external, are spotlighted for their pivotal role in assessing and ensuring compliance with established standards, promoting a culture of continuous improvement and excellence. We delve into the significant contributions of entities like the International Atomic Energy Agency (IAEA) and relevant professional societies in offering universally applicable guidelines that amalgamate the latest in scientific research, ethical considerations, and practical applicability. Conclusions The document underscores the essence of international collaborations in pooling expertise, resources, and insights, fostering a global community of practice where knowledge and innovations are shared. Readers will gain an in-depth understanding of the practical applications, challenges, and opportunities presented by these regulatory frameworks and audit processes. The ultimate goal is to inspire and inform ongoing efforts to enhance safety, quality, and effectiveness in nuclear medicine globally.

The design of a country’s nuclear energy development policy and legal system is crucial to the development of its nuclear energy industry, and thus also affects international issues such as climate change and energy green and low-carbon transformation. Under such a “Nuclear Relaunch” era that the world is experiencing, China’s nuclear power installed capacity has reached second in the world, and China’s nuclear energy policies and laws will have a significant impact on the development of civil nuclear energy worldwide. Therefore, it is crucial to reflect on the problems existing in China’s nuclear legal system and theoretical research and propose corresponding amendments based on the review of China’s existing nuclear energy policy and law and the comparison with the relevant system design of other countries. This paper first extracts the common clues of nuclear power development in the world through historical and comparative studies on the development of nuclear energy policies and laws in China and other countries in the world. Secondly, combined with relevant data such as the scale of China’s nuclear power industry, the number and focus of policies and laws, this paper comprehensively analyzes and points out the current practical difficulties faced by China’s nuclear energy policies and laws from an empirical perspective. Finally, in response to these practical difficulties, this paper will propose amendments such as promoting atomic energy legislation, improving the nuclear safety legal standard system and independent supervision system, and strengthening information disclosure in the field of nuclear energy.