A joint partnership between IT service providers, hardware and software manufacturers, the U.N.'s Environment Programme and the International Telecommunication Union, GESI aims to foster sustainable development and improve environmental sustainability in the industry.

The group's mission is to share knowledge and experience to manage operations sustainably, raise awareness of how IT can contribute to society, and engage in research and benchmarking to help improve overall performance.

Among the many partners in GESI are Alcatel-Lucent, Bell Canada, BT, Cisco Systems, Ericsson, Hewlett-Packard, Intel, Microsoft, Sun Microsystems and Verizon.