The meat-packing industry brags that it uses all of a pig but the squeal. The lumber industry is different. It is so wasteful that a conservationist once growled: "They use the squeal and throw away the pig." No more than a third of a felled tree becomes lumber. The rest is left in the forest or is wasted at the sawmills.
One of those who has worried over this waste is the Weyerhaeuser (pronounced "Warehouser") Timber Co., which owns 5% (about two million acres) of the timberland in Oregon and Washington. The world's biggest lumber firm, it devised a simple...
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