Traditional incandescent bulbs give off 90 percent of their energy as heat, according to the U.S. Department of Energy. Trading these for newer options will not only reduce your electricity bill, but also make your home feel cooler and more comfortable. Energy-efficient bulbs include halogen incandescents, compact fluorescent lamps (CFLs), and light emitting diodes (LEDs). To further cut down on electricity output, choose lamps with timers or dimmer functions.   Photo 10 of 10 in 9 Effective Ways to Bring Sustainable Design Into the Home

9 Effective Ways to Bring Sustainable Design Into the Home

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Made of recycled corrugated cardboard, the Scraplight series of pendent lamps by Seattle design studio Graypants Inc. can be used with low-energy 12.5-watt Philips LED bulb for lighting that is both green and efficient.