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Cement is an essential material for today's society because concrete is made from cement, which is an inevitable element for housing, commercial and infrastructure development. Measured on a kilogram per capita basis, concrete is 2nd most widely consumed material in the world, second only to water. Cement manufacturing process will have -Local impacts (landscape disturbance, dust emission) and Global impacts (CO2, SOx and NOx emissions).
Because of these impacts, sustainable development has recently become a major strategic issue for cement manufacturers around the world. Cement industry is giving very specific and serious attention for managing CO2 emissions.
In 2000 a group of 10 major cement companies collaborated as "working group cement"(Cemex (Mexico), Lafarge (France), Cimpor (Portugal), RMC (Great Britain), Heidelbeurg (Germany), Siam Cement (Thailand), Holcim (Switzerland), Italicementi (Italy), Votorantim (Brazil) has sponsored study under World Business Council for sustainable development (WBCSD). WBSCD has entrusted this study to an independent organization namely, Batelle Memorial Institute. The ideas emerged from this study indicate that the cement industry:
. Operates manufacturing or processing facilities in 150 countries.
. Has estimated a turn over of USD 97 billion.
. Directly employs an estimated 850,000 workers worldwide.
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