"Apartheid" is a loaded term, but it's how World Bank President Jim Kim described the growing gap between industrial economies and countries lacking energy and resources to develop.
He made this point to scientists and engineers gathered at the ARPA-E summit, arguing that technology advances need to provide ladders out of poverty for the billions that are struggling.
General Electric's full-scale supercritical CO2 turbine on display at the ARPA-E summit