Editor's Column
Posted: 2009-06-22
Posted: 2009-06-17
Posted: 2009-06-12
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Forest Facts
Carbon emissions from energy use in 100 square feet of interior framing are 3 times greater when aluminum framing is used in place of wood and 2.5 times greater when steel framing is used.
From raw material extraction to finished product, the energy input is 79 times greater for a ton of aluminum than a ton of lumber.
From raw material extraction to finished product, the energy input is 17 times greater for steel.
From raw material extraction to finished product, the energy input is 3.1 times greater for brick.
From raw material extraction to finished product, the energy input is 3 times greater for concrete blocks.
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"We must always consider the environment and people together, as though they are one, because the
human need to use natural resources is fundamental to our continued presence on earth."
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human need to use natural resources is fundamental to our continued presence on earth."