Abstract
Cloud computing is a solution to various computational problems by offering different services through the internet making use of various resources. IT industry always face energy consumption and carbon emission problems. Datacenters play crucial role as a support in cloud computing. That's why the urge to open more and more datacenters is increasing day by day. As a result of the higher power usage at data centers, this boosts the economic and environmental costs. Furthermore, the increased release of CO <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</inf> and other gases has resulted in an increase in carbon footprint and, as a result, the greenhouse effect. These are the forces that propel green computing technology forward. A brief introduction of cloud computing, related relevant researches and various approaches to use green computing is provided in this paper. Measurement, modelling and prediction of consumed energy by different organizations is necessary to maintain the environmental balance by reducing carbon emission as well as to make sure to avail the presently available energy resources for our upcoming future generations. The elaboration of several research issues in implementing green computing as well as their solutions is discussed in this paper.
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