“Net Zero or Bust” by Dr. Mike Walker PhD. is a comprehensive and insightful exploration into the challenges and strategies for achieving net zero emissions. The book is divided into ten chapters, each addressing a different aspect of the journey towards net zero, including the history of climate change, the role of the ozone layer, policies and pledges, and the future technologies in this field. Dr. Walker provides an in-depth analysis of the environmental, technological, and policy-related dimensions of achieving net zero emissions, making it a valuable resource for professionals, policymakers, and anyone interested in environmental sustainability and climate change mitigation. His expertise and detailed approach make this book a critical read for understanding and engaging in the global effort towards a sustainable future.