Term	Book	Chapter	Definition
Environmental concerns	Bitcoin	Chapter 9: Future of Bitcoin	Specific to Bitcoin, this term refers to the environmental impact of Bitcoin mining, which requires substantial amounts of energy and contributes to carbon emissions.
Environmental concerns	Mumbai's Urban Evolution: From Colonial to Contemporary	Chapter 7: Urban Challenges and Issues	These concerns arise from Mumbai's rapid industrialization and urbanization. Major issues include air pollution caused by vehicular emissions, industrial activities, and construction dust, and environmental hazards such as coastal erosion and flooding.