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New and noteworthy

Do Flame Retardants Work? Putting Foam Insulation to the Test

A deeper look at California’s decision to allow flame-retardant-free foam under concrete slabs. Read more »

Product Review:

A New Foam-Free Sub-Slab Insulation

Foam glass aggregate made from post-consumer recycled glass bottles can replace both foam insulation and aggregate below grade. Read more »


The Green New Deal—an Opportunity for the Green Building Industry

Achieving the goals of the Green New Deal will be tremendously challenging—but not impossible. Read more »

Stemming Illegal Logging with a New LEED Credit

Timber Traceability is one group’s answer to the controversial Legal Wood pilot path. Read more »

Chlorine and Plastic: Part Two

The Healthy Building Network has released an extensive study detailing Asia’s chlorine production used to make PVC and other plastics. Read more »

The World’s First LEED Zero Building

Engineering firm Petinelli has scored LEED Zero Energy certification with its headquarters in Curitiba, Brazil. Read more »


USGBC Embraces Legal Marijuana

LEED v4.20 introduces a wide range of cannabis-oriented prerequisites. Read more »

New Standard Emphasizes American Well-Being

With the rousing success of the WELL Building Standard, the Green Building Initiative has launched a competing standard that emphasizes occupant comfort, energy savings, and freedom. Read more »

Award-Winning Homes Capture “Seamless Biophilia Experience”

“Immersive” Lundhjem houses recently won the Lille Arne prize from the Danish Association of Architects. Read more »

Green Building unFestival Ends in Lawsuits

How the highest-profile event in sustainable design went terribly, terribly wrong. Read more »


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Paula Melton and Peter Yost discuss their process of writing a feature article about building failure.

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