The main difference between first generation and second generation CPTED is what? a. First generation CPTED emphasizes making changes on intervening factors beyond simply just the physical design of a building or are. b. Second generation CPTED emphasizes impacts of the physical design of buildings and areas. c. Second generation CPTED emphasizes making changes on intervening factors beyond simply just the physical design of a building or area. d. Second generation CPTED emphasizes green sustainable design to improve communities and reduce crime