By the Numbers By Elizabeth McNamara | From Preservation | Spring 2012  42 Duration, in minutes, of the Preservation Green Lab press conference, held Jan. 24, 2012, during which the National Trust reported on the environmental and economic value of reusing buildings. Six different building typologies were tested across four U.S. cities—Phoenix, Chicago, Atlanta, and Portland, Ore.—each representing a different climate zone

The restoration of historic buildings in Charleston, SC, shows how sustainability and preservation issues can be solved. By Ralph C. Muldrow, RA Historic Charleston, SC, has weathered more than its share of traumas since its founding in 1670. The city has survived numerous fires, frequent hurricanes, bombardments, a major earthquake and a hot, humid climate. Like many southern cities, Charleston

Herzog & de MeuronPattern Language: In an ongoing restoration and renovation of a New York City landmark, the architects bring subtlety and boldness to the process. By Suzanne Stephens Certain modern architects view the restoration of historic buildings like an archaeological dig that exhumes alterations over time and places the resulting evidence on display. Basel-based architects Herzog & de Meuron

By Katie Frasier This article originally appeared in ENR Mountain States. During the past several years, the green building trend has soared, with an increase in government incentives and availability of affordable supplies driving a huge growth of U.S. Green Building Council LEED-certified buildings. With the LEED program ambitiously hoping to certify one million commercial buildings by 2020, it’s no