Adapt and re-use for a greener 'hood

This should be a no-brainer:

A report produced by the Preservation Green Lab of the National Trust for Historic Preservation provides the most comprehensive analysis to date of the potential environmental benefit of building reuse. This groundbreaking study, The Greenest Building: Quantifying the Environmental Value of Building Reuse, concludes that, when comparing buildings of equivalent size and function, building reuse almost always offers environmental savings over demolition and new construction.

Butte USA: take note.