The best-known green-home technology must surely be the compact-fluorescent light bulb, the very icon of green living.

ECONOMIST: Green homes

With a green-centric design, this compact and sleek PC mini uses up to 90% less plastic and consumes up to 90% less energy than traditional tower PCs.

ENGADGET: ViewSonic outs energy efficient, earth-friendly VOT125 nettop -- won't help that there oil spill

At the start of this year the firm, which says it sold 137m compact fluorescent lightbulbs in 2007, said it would take further steps to help consumers go green.

ECONOMIST: Companies as activists