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Focus
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| Green Houses John Tibbetts Abstract
A small but growing movement of architects and environmentalists is voicing criticism of modern building practices. Proponents of "sustainable design," a combination of new technologies and ancient strategies that attempts to reduce unnecessary waste of natural resources while creating healthier indoor environments, argue that living and working in modern buildings not only makes some people ill, but that these structures also consume vast amounts of valuable resources and harm the environment. Although there are several strategies for incorporating sustainable design principles, many obstacles to environmentally friendly building remain. For example, the construction industry is often slow to accept new materials and technologies ; by one White House estimate, it can take about 17 years for new materials to become commonplace. John Tibbetts
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