6 Ways to Turn Your Office Green
What it is: An energy-efficient notebook computer
What's cool: This thin laptop, which has a 12-inch display and weighs just 2.4 pounds, boasts a battery life of up to seven hours. The Electronic Product Environmental Assessment Tool, or EPEAT, which measures computers against a list of 27 sustainability criteria -- including the use of mercury-free materials -- gives this model its highest mark, a gold rating. Another laptop of note is the energy-efficient MacBook Air, which received EPEAT's silver rating.
Drawback: Because the R500 uses Intel's energy-efficient 1.2GHz Core 2 Duo processor and comes with just 1 GB of RAM, processing speeds suffer a bit.
Price: $2,149
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