Like it or not, our lives depend on energy. Lots of it. In fact, the United States alone consumes more than 3.35 terawatts per year, enough energy to run that computer you're reading this from for about 35 billion years, give or take a few million.
In an effort to decrease our environmental imprint and be smarter about how efficiently we're using our energy, several companies have introduced "green" models of their products. Though the Green movement started as a few political conservationist groups in the early 1980s, it is now responsible for one of … Read more