How might the push for quieter aircraft propulsion systems transform communities around airports and affect urban development?

ANSWER: Quieter aircraft propulsion systems can significantly reduce noise pollution, enhancing the quality of life in communities around airports. This reduction in noise can lead to higher property values and new opportunities for residential and commercial development in previously less desirable areas. Urban planners may integrate airports more seamlessly into city designs, promoting economic growth. Moreover, it fosters community support for airport expansion, increasing connectivity and boosting local economies.