The document discusses how new security technologies, communications, and CPTED (Crime Prevention Through Environmental Design) principles can help water systems meet sustainability and security goals. It outlines goals around reducing carbon footprint, limiting emissions, and enhancing perimeter security. It then describes CPTED principles like natural surveillance, access control, and territorial influence. New technologies discussed include wireless mesh networks, solar power, and IP-addressable devices. The document argues these new approaches can provide effective, low-cost security while maintaining sustainability and green concepts.