In examining the factors contributing to urban pollution, Passage A emphasizes the role of industrial emissions as a primary source of air quality degradation. It cites recent studies indicating that over 60% of urban air pollution can be traced back to factories and power plants. The passage argues for more robust regulatory frameworks to limit these emissions and suggests alternative energy sources as viable solutions.
Conversely, Passage B focuses on vehicular emissions, claiming that they account for an approximately equal percentage of urban air pollution. It highlights the growing number of cars in metropolitan areas and advocates for public transportation improvements and stricter vehicle emission standards as essential measures for reducing pollution.
Considering these two perspectives, which of the following statements best captures a key difference in focus between the two passages?