Tim Halbur

David Gouverneur, urban designer and Associate Professor of Landscape Architecture at PennDesign, says mending the urban fabric of his city is a bit like acupressure: you put the pressure in certain key places to mend the whole.

A team of Italian architects have proposed a honeycomb-like design for a viaduct that would include built-in wind turbines.

In a video interview, author James Howard Kunstler talks about peak oil, the effect of Mexican drug gangs on America's oil supply, and the diminishing returns of new oil-extracting technologies.

Waste-to-energy power plant, and ski slope? Architecture firm Bjarke Ingels Group (BIG) proposed the unusual idea for a competition to replace a power plant in Copenhagen -- and won.

With GPS technology ubiquitous, the lighthouse perched high on a cliff may soon become a relic.