Home office

With many people working at home, the home office is a significant consumer of energy both for electricity and space heating/cooling. It's no wonder when you look at the rat's nest of wiring in home offices.

Low effort: Set your computer's power management system at home and at work. Recycle your old electronics gear. See this map to find a recycler.

Medium: Use a laptop instead of a desktop PC. Put things that don't need to have standby power (computer speakers, etc.) on a power strip and click it off when not using. Unplug all those chargers--for the phone, iPod, Blackberry, etc.--when not in use.

High: In addition to buying an energy-efficient PC or other electronics, consider adding other green attributes to your list, such as whether the product can be recycled and the amount of toxins used inside.