What is Green ICT or Green Computing

Information and Communication Technology (ICT) has become an irreplaceable component of practically every aspect of human activity with its impact buttressed by the omnipresent internet. While the developed world thrives on ICT capabilities, the developing economies are using it for leapfrogging into new levels of technological advancement. Modern ICT systems are made up of a complicated mix of people, networks, hardware and software. As their spread is increasing rapidly, issues such as energy, environment and related aspects have to be addressed ensure user satisfaction without damaging the ecosystem. This chapter focuses on green ICT aims to study and practice use of computers and other ICT resources efficiently laying stress on factors like reduction of hazardous components, maximization of energy efficiency, enhancing re-cyclability and biodegradability.