In 1992, the Environmental Protection Agency United States launched the Energy Star, a voluntary labeling program designed to promote and recognize energy efficiency in monitors, climate control equipment, and other technologies. This resulted in widespread adoption of sleep mode among consumer electronics. The term "green computing" may be created immediately after the Energy Star program began, there were several USENET posts since until 1992 the use of the term this way. At the same time, Swedish organization TCO Development launched TCO certification program to promote the release of low magnetic and electric than CRT-based computer display, the program was later expanded to include criteria on energy consumption, ergonomics, and the use of hazardous materials in construction.
