"As an environmentally friendly means of heating a home, wood-burning pellet stoves are a hot item. Because the wood comes from waste chips and sawdust that would otherwise be discarded, no trees are cut down to supply the wood pellets used as fuel.
Even better, burning the wood pellets does not contribute to global warming. They release no more carbon dioxide than if the wood had been left untouched to break down naturally in a forest.
And, of course, adding to the charm of pellet stoves is their appearance. Just like a conventional wood stove or a crackling fireplace, their gentle flickering flames give off a warm glow.
Though priced somewhat higher than other conventional heating devices, many new customers apparently feel the investment is well worth it.
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http://www.asahi.com/english/business/TKY200502210088.html