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A Critique of Life Cycle Analysis: Paper Products
Pages 225-233

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From page 225...
... A Critique of Life Cycle Analysis: Paper Products ROBERT JOHNSTON Life cycle analysis (LCA) is a method for quantifying the environmental impact of an industrial process or product.
From page 226...
... model of recycling in the United States fails to distinguish sufficient market sectors for it to be anything more than a crude economic tool. Different sectoral recycling scenarios and major cross-sectoral flows in the recycling streams define minimum levels of disaggregation.
From page 227...
... more detailed flows of recycled fibers into their own and competitor input streams, but if these models exist, they have not been made available for environmental analyses. The urgency of refining data is highlighted by potential environmental and commercial issues involving specific products such as liquid paper board and recycle-based copy paper.
From page 228...
... The concept of treating mature wood as having a (renewable) energy value plus fibers with an inherent paper making value would generate interesting results as the value is tracked through the life cycle.
From page 229...
... More recently, the energy studies, such as by Hamm and Göttsching (1993) , have been extended to include the life cycle effects of CO2 generation or sequestering.
From page 230...
... This situation relates directly to the boundaries of the problem -- a topic referred to later in this paper. CO2 NEUTRALITY AND FOREST SUSTAINABILITY The simplest summary of the carbon cycle affecting and being affected by the paper industry is shown in Figure 3 (Hamm and Göttsching, 1993)
From page 231...
... . An issue related to sustainability that has not been addressed in LCA studies has been the modeling of diversity over the life cycle.
From page 232...
... 1992. Report on European Community Eco-labelling & Life Cycle Analysis Conference, Gatwick Omni Continental, Vancouver.
From page 233...
... 1991. Silvicultural research for sustained wood production and biosphere conservation in the pine plantations and native eucalypt forests of S.E.


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