阅读下面的短文，并根据所读内容在文章后表格中的空格里填入最恰当的单词。
注意：每空一词。
When it comes to the world of computers, green computing is becoming one of the most popular trends. But, what is exactly is green computing?
The term “green computing” is one that is being used in many different markets and areas all over the world in today’s global technology. Yet, many computer users out there aren’t sure what it means. Green computing is actually pretty easy to explain and to do---it is basically learning to use computer resources more efficiently to help the environment as well as making energy savings. The main goal of a green computing program is to reduce the use of energy and materials that harm the environment. Green computing helps to promote the use of biodegradable products and recycle computer parts whenever possible.
Green computing started as early as 1992, when the EPA created Energy Star, which is a voluntary labeling
