Credit: Photo: Construction Specialties, Inc.

Cool Products from the Latest Greenbuild Expo

We scoured the Greenbuild expo floor for the best new products and the most interesting updates. Then we whittled it down to these standouts.

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The 8 Shades of Greenwash: How Many Do You Recognize?

Most building products these days have an environmental angle to their sales pitches. Many are legit, but as ever, you still have to watch for the telltale signs of greenwash—the practice of inventing or exaggerating the environmental benefits of a product.

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Latest Stories

Material Health Tools Harmonize

USGBC, Chemical Industry Begin Talks

Greenwash Getting Easier to Spot, But Still Confusing

AIA Prioritizes Resilient Design, Product Transparency

Green Building News

Air in Fitness Centers Laden with Pollutants, Study Finds

Lack of ventilation and elevated levels of VOCs are common problems in gyms, according to European research, and pools have issues too.

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Harmful Chemicals May Leach from PEX into Drinking Water

Replacing PVC with untested substitutes? New research shows how little we understand about how plumbing materials affect indoor water quality.

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First Existing Multifamily Buildings Earn Energy Star Certification

Tenants are saving more than $500 a year in one of the first existing apartment buildings to be certified.

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Polyiso Manufacturers Turn Blind Eye to Problems at Cold Temperatures

R-values that fluctuate with temperature can be a serious problem with polyiso in some climates. New design guidance could help.

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Standard 189.1 Inches Toward LEED in New Revision

The 2014 version of the Green Building Standard responds to updates in Standard 90.1 and shows glimpses of future harmonization with LEED and IgCC.

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EPA Ignoring Hundreds of Toxic Chemicals in Wastewater

An investigation finds that only a fraction of hazardous wastewater pollutants are regulated, and of those, only a handful are monitored.

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14 Design Patterns: Report Puts Science Behind Biophilia

Designers are given specific guidance on how to interpret and utilize the “14 Patterns of Biophilic Design” in a new report.

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Perkins+Will Shares Strategies to Avoid Flame Retardants

A chemist and an interior designer team up to compile design guidance for reducing exposure to harmful chemicals.

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Mechanical—Not Natural—Drying Is a Must After a Flood

Long-term research confirms that airing it out doesn’t cut the mustard (or the mold) after major moisture damage.

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Phthalate Levels Connected to Reproductive Troubles

Dashing female libido and shrinking your son’s male parts are now on the list of health hazards associated with phthalates. Now do we have your attention?

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New Nanomaterial Could Dramatically Improve Concentrating Solar

A team of researchers at UC–San Diego has developed a silicon-based material with 90% conversion efficiency and remarkable durability.

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Product News & Reviews

Solar Farms Offer Renewable Power for the Rest of Us

Community solar allows customers with site limitations to purchase commercial-quality photovoltaic systems—and the Clean Energy Collective is making it easier.

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Faucets That Combat Infection Without Wasting Water

New technology from Rada helps prevent life-threatening Legionella and other pathogens from growing in pipes and faucets—a big problem in healthcare.

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BackPage Primer

The Surprising Connection Between Water Conservation and Deadly Infections

Legionella and other pathogens can proliferate in pipes and low-flow fixtures, threatening the health of vulnerable people.

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December 2014

Volume 23, Number 12

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