Green computing is basically learning to use computer resources more efficiently to help the environment as well as making energy savings. __21__
Green computing started as early as 1992, when the EPA created Energy Star, which is a voluntary labeling program that promotes energyefficient computing equipment and technologies. It was because of this program that many computer companies launched sleep mode(模式) and millions of computer users around the world began to adopt this policy to help save energy when they were not using their computers.
__22__ It also began to become a goal that more companies try hard to meet over the years. There are several government agencies that have continued to work for better standards to promote green computing. __23__ Because of these new requirements, there are over 20 states that have now established a special recycling program for old computers and electronics to help with green computing.
Many of today's IT systems are beginning to rely on both people and hardware to help push their computer system toward a more green computing system to help both the company and others. This is a hard balance to achieve, as it has to satisfy both users and management. __24__ Many companies are learning the best way of green computing in their business process. While many home computer users may not be quite as familiar with green computing as large firms, this term is starting to become more mainstream all around the world and the requirements for new, better computers to help both the companies and the end users of the equipment, as well as our environment, are becoming more and more urgent.
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