This is one of the easiest things you can do to seriously reduce your energy consumption and your home's carbon footprint. LEDs are fast overtaking CFLs as the green light of the future, although they're currently still much more expensive. Wondering what bulb is best for you? It all depends on what kind of light you're looking for. We've had good experiences with the EcoSmart LED light bulbs from Home Depot and the n:vision Soft White CFL light bulbs, also from Home Depot. Here are a few other resources to get you started:

• Just click what your preferences are--what kind of bulb you want, your preferred power, the kind of lighting you're going for-- and this guide gives you a recommendation.

• gives a detailed comparison breakdown of LED and CFL bulbs, including benefits, styles, terminology, and color.

• Ratings on both LED bulbs and CFL bulbs.