Shafiullah Khan & Jaime Lloret Mauri 
Green Networking and Communications [PDF ebook] 
ICT for Sustainability

Although the information and communication technology (ICT) industry accounted for only 2 percent of global greenhouse gas emissions in 2007, the explosive increase in data traffic brought about by a rapidly growing user base of more than a billion wireless subscribers is expected to nearly double that number by 2020. It is clear that now is the ti