The topic of population, urbanization, and the environment explores the complex relationships among these interconnected areas, highlighting how demographic changes and urban development impact environmental sustainability. Key themes include the effects of an aging population, shifts in industrialization, and various social issues such as drug policy and gentrification. As urban areas expand, they face unique environmental challenges that require thoughtful analysis and responses. Additionally, the implications of population growth and migration trends are critical in understanding urban political economies and the sociology of built environments. The study of these subjects is vital for addressing contemporary global challenges, including resource management and ecological sustainability. Various scholarly articles delve into these themes, providing insights into historical contexts like the Industrial Revolution and modern phenomena such as megalopolises. Understanding these dynamics is essential for fostering a sustainable future in urban settings worldwide.