BuildingGreen Report

News Brief

April 29, 2011
By Paula MeltonFirst Solar has chosen an abandoned General Motors testing facility in Mesa, Arizona as the site of its second U.S. factory. The plant will create 600 jobs and be able to produce 250 MW worth of thin-film photovoltaic (PV) modules per year, according to the company, which expects to start shipping modules from the Mesa factory by... Read more

Product Review

April 29, 2011
Fiberglass insulation manufacturers Knauf and Owens Corning now offer waterborne, synthetic latex-based sealants used to block air infiltration in new homes. Owens Corning’s EnergyComplete system is a two-part flexible foam, whereas Knauf’s EcoSeal is non-foaming. According to the manufacturers, both products adhere to the surfaces immediately... Read more

News Brief

April 29, 2011
By Paula MeltonCombining heavy metals and excreted antibiotics in wastewater is a formula for breeding antibiotic-resistant “superbugs,” according to a study presented to the American Chemical Society. The scientists found that copper alone, without any antibiotics, increases resistance to ciprofloxacin in bacteria, while zinc amplifies resistance... Read more

News Brief

April 29, 2011

A recent study published in

Environmental Science and Technology reports that the actual rate of greenhouse gas production from septic tanks is half what has previously been estimated. One-fifth of the U.S. population uses residential septic tanks to treat wastewater; during this process, micro-organisms decompose the matter and... Read more

News Brief

April 29, 2011
By Emily CatacchioRE-Powering America’s Land, an initiative of the U.S. Environmental Protection Agency (EPA) proposes the development of renewable energy production technologies on “potentially contaminated sites.” EPA is looking for applications from states, tribes, regional governments, and communities interested in renewable energy development... Read more

News Brief

April 29, 2011
By Emily CatacchioThe U.S. Environmental Protection Agency (EPA) recently released its third annual list of U.S. cities with the most Energy Star-certified buildings. The top three are familiar from past years: Los Angeles is first for the third year and Washington, D.C. and San Francisco are second and third, respectively, for the second year.... Read more

News Brief

April 29, 2011
By Paula MeltonScientists have long known that when river water and seawater mix, as they do in river deltas and estuaries, the chemical reaction releases large amounts of waste energy. A recent breakthrough may enable the use of this reaction as a renewable energy source. Researchers at Stanford University, the University of Milan, and Penn State... Read more

News Brief

April 29, 2011
By Paula MeltonHome Depot stores in the San Francisco Bay Area will now stock framing lumber only if it is certified according to Forest Stewardship Council (FSC) standards. Regional FSC-certified suppliers Mendocino Redwood Company and Humboldt Redwood Company are providing plywood, dimensional lumber, fencing, and other Douglas fir and redwood... Read more

News Brief

April 29, 2011
By Paula MeltonU.S. homes expend far less energy on home heating than they did in the 1970s, but overall residential energy consumption remains virtually the same, reports the U.S. Energy Information Administration (EIA). According to EIA’s Residential Energy Consumption Survey, home energy use from appliances and electronics has surged by nearly... Read more

Product Review

April 29, 2011
Two years after the “level” furniture certification program was developed by the Business & Institutional Furniture Manufacturers Assoc-iation (BIFMA), six products and products lines meet the most rigor-ous of the certifications—level 3 (see “The Level on BIFMA’s Furni-ture Certification,”

EBN July 2009). Products can be certified as level... Read more

News Brief

April 29, 2011

EBN Oct. 2010). The Maryland housing department and local governments are allowed to amend IGCC within their own jurisdictions. The bill, developed by the International Code Council and others, establishes a green model code focused on commercial buildings. For more information, visit mlis.state.md.us.

 

News Analysis

April 29, 2011

In a digital world, why are we still using analog power? That’s the question posed by Brian Patterson, general manager of business development for Armstrong Ceilings and chairman of EMerge Alliance, an industry association that is trying to change the way power is distributed. EMerge promotes the idea that a long-term switch from alternating... Read more

Feature

How much energy our buildings use matters a great deal, but figuring out how to measure that use and compare it from building to building is tricky. Here's a guide to key metrics and how to use them.

April 29, 2011

Test your energy personality! How much energy our buildings use matters to you, but comparing from building to building is tricky. Answer these questions and we’ll tell you which energy metric suits you best.

1) Which statement describes what you want in a metric?

A. I want to be able to check my utility meter and my solar... Read more

Explainer

April 29, 2011

When specifying or using forest products, some people want to know that they originated in a forestry operation that respects the long-term health of the forest and its important functions, such as wildlife habitat, recreation, and support for local communities. You can’t tell those things by scrutinizing the lumber or furniture product—that’s... Read more

News Brief

April 29, 2011

Clanton Associates just completed a study for wireless lighting control company Daintree Networks that compares first costs and energy savings for six different lighting control retrofit options for a typical 1970s office space. Not surprisingly, the study shows significant first-cost savings with the wireless systems, with higher... Read more

Blog Post

April 27, 2011

A primer on building responsibly in the post-carbon era: How do we design and build a wholly new paradigm which enhances, rather than depletes, the web of life?

[Editor's note: We have invited Robert Riversong, a Vermont builder (see full bio below), to write a 10-part series of articles taking design and construction to what he sees... Read more

Blog Post

April 26, 2011

The preservationist wisdom is that a lot of energy--gallons and gallons of gasoline--is locked up in our historic buildings, and should be saved. It's time to update that wisdom.

A surreal magazine ad just got even more surreal for me.

After learning of the fire at the historic 1871 Brooks House here in Brattleboro, Vermont last... Read more

Blog Post

April 22, 2011
Most ceiling fans come without lights, but energy-efficient light kits can usually be added. There are thousands of residential ceiling fans out there. GreenSpec picks three lines that outperform others on performance and efficiency.

Have you ever tried to find an energy-efficient residential ceiling fan? There are thousands of models... Read more

Blog Post

It's easy to get confused about the difference between energy and power, between watts and watt-hours. But if you can master inches and pounds, you can master this.

April 20, 2011

It's easy to get confused about the difference between energy and power, between watts and watt-hours.  But if you can master inches and pounds, you can master this.

How many mystery writers does it take to change a 60-watt lightbulb?

Two--one to screw the bulb almost all the way in, and one to provide a surprising twist at... Read more

Blog Post

April 19, 2011

Fire guts half a block of a small New England town, revealing the built-in vulnerabilities of dense development.

Then: This historic print shows Brattleboro's Brooks House in all its glory. The building was originally an upscale hotel serving tourists who came from Boston and New York for the fresh air.

Brattleboro, Vermont is still... Read more