Green computing: Some facts and challenges

As 21st century belongs to computers, and electronic items, energy issues will get a serious alarm in coming days, as public debate on carbon emissions, global warming and climate change gets hotter. Taking into consideration the popular use of information technology industry, it has to lead a revolution of sorts by turning green in a manner no industry has ever done before. Besides the widespread sensitivity to ecological issues, such interest also stems from economic needs, since both energy costs and electrical requirements of IT industry around the world show a continuously growing trend. Such practices include the implementation of energy-efficient central processing units (CPUs), Servers and Peripherals as well as reduced resource consumption and proper disposal of electronic waste (e-waste). Green computing is the study and practice of efficient and eco-friendly computing. It is the environmentally responsible use of computers and related resources. This paper is a survey of important facts related to the field of green computing that emphasizes the importance of green computing for sustainable development.