I, too, am troubled by the increasing use of "biomass" for power generation. While I applaud the use of renewable resources, the timber companies are now cutting and chipping trees that were previously left to grow to marketable size. In my area, HUGE tracts of land are owned by Sierra Pacific Industries. They are currently harvesting right along the road into my neighborhood. In deference to the public visibility of the harvest, they are not clear-cutting, they are leaving about 5% of the trees. Anything lacking marketability as lumber is chipped and shipped to the cogen plant. If demand for lumber is down, they can chip trees up to 36 in. diameter. Here is a satellite picture of my little slice of heaven.
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The only reason for the patchwork quilt pattern is environmental regulation limiting the size of clear-cuts. The are now beginning "adjacency cutting" (which can be seen just above Highway 44 on the left and at the far right), harvesting the areas between the existing cuts, which have obviously not recovered yet. While I recognize that they own the land and the corporation exists to make money, their actions have impacts well beyond the limits of their property. Large areas of exposed soil are resulting in warming of the earth, accelerated evaporative moisture loss and slowed recovery when they actually replant trees (only one species). And then there's the erosion (despite token attempts to control it) running into trout and salmon streams. I could rave on, but you get the idea. It makes matters even worse if the chips are being exported.
Besides, if anyone is going to burn those trees, let it be me and mine.
Edit: Oh, yea, I almost forgot. They're cutting the oak trees, which are no good for lumber or furniture, and CHIPPING them!!!! OH, THE HORROR!