Automated infrastructure/Advanced automation
In Western countries many industrial process are becoming highly automated already, but human effort is needed for construction and commissioning as well as maintenance and repair. In developing nations, there is not much automation at all due to labour being so cheap; however this is a great waste of human lives.
These self-repairing systems are based on technologies and knowledge that we already possess. No fictional concepts or unattainable artificial intelligence are required to make this happen. We have the ability today to create systems that provide for the global population's basic needs and far beyond, while minimising our impact on the environment – these two aspects are not mutually exclusive.