Environmental Policy for the 21st Century provides a comprehensive examination of the most pressing environmental issues of our time, offering readers in-depth insights into climate change policy, renewable energy innovation, area-based conservation, and the intersection of environmental justice with urban planning. The book explores both the history and evolution of environmental governance, and how modern policies are shaped by political, economic, and social dynamics. Through evidence-based analysis, case studies, and references to international treaties like the Paris Agreement and Kyoto Protocol, it critically assesses the effectiveness of various policy instruments, from market-based solutions to preventive environmental management. The book highlights the need for inclusive, progressive measures that address not only environmental concerns but also the injustices experienced by vulnerable people. It is written for policymakers, environmental professionals, students, and advocates. It presents a realistic and hopeful road map for the future of environmental policy while highlighting the advantages and disadvantages of international collaboration and technology-driven solutions from a balanced point of view. Environmental Policy for the 21st Century gives readers the information and resources they need to actively participate in creating sustainable policies for a world that is changing quickly, whether for academic study or real-world application.