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ASHRAE 14P, Proposed Guideline 14P, Measurement of Energy and Demand Savings, Atlanta: American Society of Heating, Refrigerating and Air-Conditioning Engineers, 1997. 10. T. A. Reddy K. Kissock S. Katipamula D. Ruch D. Claridge An Overview of Measured Energy Retrofit Saving Methodologies Developed in the Texas LoanSTAR Program, Energy Systems Laboratory Technical Report ESL-TR-94/03-04, Texas A&M University, 1994. 11. S. S. Government Printing Office, 1997. 12. S. J. Emmerich A. K. , 103: 229–243, pt 2, 1997.

But, in parallel with the decreased land requirements, the overall expansion of agricultural production had other effects, such as putting pressure on water resources and affecting global nutrient and geochemical cycles (12). Important factors in agriculture are land, labor, energy, water, and nutrients. In some areas agricultural systems are highly land-productive and labor-intensive, as in Asia; in others, labor-productive and landintensive, as in North America and Australia. , superphosphates and nitrogen fertilizers) have been widely used.

ENVIRONMENTAL IMPACTS OF TECHNOLOGY 7 Also, higher productivity and consequent increased resource use resulted in higher incomes and reduction in working hours, in turn leading to more consumption (and more waste) and an increase in leisure and travel time, whence more energy use and more emission. In the new millennium the mass production–consumption era still continues strongly. The environmental impacts of this era are significant in that it generates wastes and pollutants of whose long-term effects we remain ignorant.

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60.Technology and Society by John G. Webster (Editor)

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