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This article features the renovation of the Wexner Center for the Arts at the Ohio State University in Columbus. To address the skylight leak, designers covered the skylight with a roofing membrane and applied a polyester film to the curtain wall, which cloaked the gallery spaces in darkness and created an unpleasant, cave like atmosphere. In the renovation, the transparency of the panels--which featured four shades of gray, ranging from almost white to nearly black--was reduced a notch. For the lighting system, engineers modeled the building using the software package Radiance.

Reports on the recommendations from the final draft report on the investigation into the fires and collapse of the World Trade Center towers in New York City after the terrorist attacks on September 11, 2001. Statement issued by the report's lead investigator Shyam Sunder on the recommendations; Division of the recommendations into eight groups; Views of Raymond Clark, managing principal in the Chicago office of Perkins + Will in Illinois, on the general nature of many of the recommendations.

The article reports on Medergy Corp. which was co-founded by architect Derek Parker which will turn medical waste into energy. The process involved in the transformation of medical waste into inert by-products is called steam reformation. The results of a feasibility study on the effectiveness of the steam reformation process is being evaluated by the California Energy Commission.