Nuclear Energy: An Introduction to the Concepts, Systems, and Applications of Nuclear Processes, Ninth Edition provides essential information on basic nuclear physics, systems, and the applications of nuclear energy. It comprehensively covers Basic Concepts, Radiation and Its Uses, and Nuclear Power, providing students with a broad view of nuclear energy and science in a fast-paced format that features updated, timely content on topics of new and growing importance to current and future nuclear professionals, such small modular reactors (SMRs). This book is an essential resource for any first course on nuclear energy and systems. - Contains expanded coverage of newer reactor designs, such as small modular reactors (SMRs), molten salt-fueled and salt-cooled reactors, microreactors, and accelerator-driven subcritical (ADS) reactors - Climate change content from previous editions has been updated and incorporated throughout the book to reflect its growing importance - Provides a new chapter on Nonproliferation, Security, and Safeguards - Includes more worked examples and end of chapter exercises throughout