The green 2020: Impact of smartphones on the environment in present and future

Green computing is the most debatable topic in entire world as mobile devices such as personal digital assistance, laptops and smartphones are the main source of carbon dioxide, methane, nitrous oxide, greenhouse gases etc. These emissions are widely disturbing the ecosystem and cause of environmental damages. This paper discusses the state of the art on tools, technologies and trends to make smartphones green. The objective is to analyze the current usage patterns of the smart phones for the emission of greenhouse gases (GHG). Based on our analysis, we forecast the future and present our findings for the green world in 2020.