It's not easy being green, but gadget companies do have a sense of "eco-friendliness," according to Greenpeace, which has recently rated CE companies in its Green Electronics Guide.

Apparently Nokia's decision to distance itself from PVC resulted in high marks in the Guide, while Lenovo, which bought IBM's PC business, scored the lowest in the survey, although the computer maker defends its environmental record.

According to the company: "Lenovo meets or exceeds applicable environmental regulations globally, and we don't believe Greenpeace's ranking accurately reflects Lenovo's environmental record," according to a company statement.

Read more about it at Network World or at greenpeace.org.