Energy consumption is one of the leading drivers of operating expenses for both fixed and mobile telecom network operators. Reliable access to electricity is limited in many developing countries that are currently the high-growth markets for telecommunications. At the same time, many operators have adopted corporate social responsibility initiatives with a goal of reducing their networks' carbon footprints, and network infrastructure vendors are striving to gain competitive advantage by reducing the power requirements of their equipment. According to a new report from Pike Research, all of these factors will continue to converge over the next several years, and "green" network equipment will grow to represent 46 per cent of the $277 billion global telecom infrastructure market by 2013. Article