Tag Archive | "materials"

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Interview with Alex Wilson of BuildingGreen

Posted on 13 September 2010 by Eric Corey Freed

Originally posted at: KBB Collective

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I spoke last week with Alex Wilson, founder of BuildingGreen and executive editor of the Environmental Building News.

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Alex was just named the 2010 winner of the Hanley Award for Vision and Leadership in Sustainable Housing, and will be speaking at the upcoming West Coast Green Conference in San Francisco.

BuildingGreen has been in my secret toolkit for many years and it is the first place I turn when needing information on a green material. Looking for a “green” cabinet manufacturer? Well, BuildingGreen lists 74 articles and product listings for you to review, as well as a detailed discussion of the issues in cabinet manufacturing, including formaldehyde and wood species. Think of it as the Consumer Reports of Green Building. Their unbiased (and often surprising) reviews don’t play any favorites or have blind faith in any company.

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For nearly two decades, BuildingGreen has published their Environmental Building News (EBN) and has always been ahead of the curve on controversial topics in Green Building. They explained the good and bad side of the vinyl industry way back in 1993. EBN discussed the controversy surrounding waterless urinals in 2002. Any green building issues you’re grappling with now are ones they’ve likely dealt with years ago.

While Alex and his staff are inundated with new product information, he continues to be surprised with new innovations in materials. He is particularly excited to see the West Coast Green innovation pipeline.

When asked for a wish list of products he’d like to see, Alex immediately asked for an alternative to polystyrene (you may know it by the brand name Styrofoam™). This oil-based product raises many concerns over the chemicals, flame retardants and the blowing agents used to install polystyrene. He is currently obsessed with finding below-grade insulation alternatives to polystyrene, and has been featuring some on his weekly blog.

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Recently, BuildingGreen revised their previous position on another controversial subject—the use of fly ash in building products.

Fly ash is the powdery soot byproduct from coal-fired electric power plants. Since the burning of coal provides up to 85% of our electricity (depending on where you live), a great deal of this waste product is produced. Some 71 million tons of fly ash were produced last year, resulting in 71 tons of mercury byproduct.

Depending upon the use of the concrete, fly ash can be substituted for 20%-50% of the Portland Cement in the concrete mix. There have been reports of some people using as high as 70% fly ash substitution.

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“Like most people in the Green Building field, we used to think fly ash was great virtually all of the time, since it kept this waste material out of the waste stream,” Alex explained. “But concern about the leeching of heavy metals [mercury, for example] has caused us to modify our position somewhat. We are no only recommending fly ash in applications where 1) it’s locked up, as in concrete, and 2) the fly ash replaces the carbon emissions that would normally come from manufacturing Portland Cement.”

Officially, BuildingGreen no longer considers the use of fly ash in products to be beneficial unless it offsets greenhouse gas emissions.

Portland Cement, the key ingredient in the mixing of concrete, is one of the most carbon intensive industries. The processing and heating of the cement are responsible for 8%-12% of all carbon emissions. Since concrete is a required part of virtually every building, a substitute like fly ash could go a long way to cut carbon emissions.

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I wrote about it back in 2006 and the logic of using fly ash to replace a portion of the Portland Cement still makes good sense. After all, cement manufacturers are already substituting up to 15 percent of the Portland Cement with fly ash to save money.

You can read more at BuildingGreen, download the latest issue of the Environmental Building News and read Alex’s weekly blog.

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The case for non-toxic buildings

Posted on 28 May 2010 by Eric Corey Freed

Originally posted at: http://kbbcollective.com/the-case-for-non-toxic-buildings.html

The case for non-toxic buildings
Why we should stop using known cancer-causing chemicals now

I find it difficult to write about anything except the Gulf Oil Spill. In fact, I started writing about it only to find there was nothing hopeful to say. Obviously, the story is still unfolding, but it is clear this will be the worst environmental disaster in history. If any good comes from it, it will be a radical rethinking of how we view our relationship to oil, drilling and energy. And I am still not sure why the people who spilled the oil are in charge of the cleanup.

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I do know that oil “spill” is too timid a word for such a disaster. I am currently leaning toward calling it an oil “transfusion.” For some wonderful coverage on the oil spill, I strongly encourage you to look at this incredible infographic on the spill.

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PHOTO CREDIT: Daniel Beltra/Greenpeace

In addition, the Big Picture has an incredible archive of images from the spill.

This site allows you to compare the size of the oil spill to your city or state. You’ll notice how the spill is larger than the entire state of Connecticut.

While I will reserve my words about the spill for a few more weeks and once the full impact is known, it has gotten me thinking more and more about our toxicity on our environment. After all, the Earth itself is a self-contained system. We don’t make new water, new mass or new energy. Everything here on Earth has always been here. Speaking from a Physics standpoint, all we do is transform things from one state to another. Matter into energy, energy into matter.

The systems of Nature have evolved to a perfect balance. We call this balance “environmental equilibrium.” From this balance we get the services that Nature provides: filtering our air, cleaning our water and absorbing our waste. Unfortunately, mankind’s impact on the planet has overwhelmed these systems. The planet simply cannot keep up. If we “toxify” the planet, we have no other alternatives.

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I used to think that Cigarette Manufacturers were evil. After all, they were selling things they knew to be dangerous and full of cancer-causing chemicals. For years, they denied it, dragged their feet and funded lobbyists to stall legislation.

But are architects, designers or builders any better?

We specify products that require you to wear gloves and a mask during installation. We line the floors, walls and ceilings with products we know contain nasty chemicals. In fact, the entire painting industry knows its products are bad for us. Paints contain chemicals called “Volatile Organic Compounds” or VOCs. Why do you think that every major paint manufacturer is now offering at least a “low-VOC” version of the product?

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Where are the gloves and masks for the people who stay behind and have to live and work in these buildings? When I ask manufacturers about this, they defend their products. Unlike cigarettes, you cannot point to the formaldehyde in that one piece of furniture and say that was the cause of your cancer. But the collective exposure to thousands of chemicals in your home and office all contribute to your cancer risk. Although the death rate for cancer has dropped, thanks to early detection and treatment, the incidences of cancer continue to climb.

We spend 80-90 percent of our time indoors. We spend another five percent in our cars, and apparently, we hate going outside and hate fresh air. Asthma rates have tripled in adults since 1980. In children, whose developing lungs are not as strong, asthma has gone from the seventh leading chronic illness, to number one in less than 20 years. The poor quality of the indoor air is largely responsible for this staggering increase.

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The quality of the indoor air in your home is likely to contain more than 10 times the number of toxic pollutants as the air outdoors. During a painting project, that number can increase to 1,000 times that of outdoor levels. By switching to healthy finishes containing low or zero VOCs, you can greatly improve indoor air quality and remove some major health risks for you and your family.

If you’re wondering where to start, target the two biggest sources of poor indoor air quality: VOCs and formaldehyde.

By choosing healthier finishes, unneeded chemicals and toxins are prevented from entering our air, land and water. Making the simple change to a healthy paint will reduce some of the 69 million gallons of harmful chemical paints that end up in our nation’s landfills each year.

People with multiple chemical sensitivities (MCS) or a severe sensitivity to chemicals will want to avoid placing formaldehyde in their home. Formaldehyde is used as a glue in most wood products. MCS sufferers will likely develop dizziness, headaches and sneezing from formaldehyde exposure.

The California Air Resources Board has reported that one in 10,000 Californians will develop cancer from exposure to formaldehyde. Since it is a “sensitizer,” exposure to formaldehyde can actually make you more sensitive to other chemicals. When buying any new wood cabinets or furniture, demand formaldehyde-free products. By not bringing new formaldehyde into your home, you’ll reduce the grave risks for you and your family.

Why specify toxic materials at all? Simply because they’re cheap? Doing so makes us as guilty as those cigarette manufacturers.

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Interview with Pete Yost

Posted on 14 February 2010 by Eric Corey Freed

At the 2009 West Coast Green Conference, I interviewed Peter Yost, Director of Residential Services for GreenBuildingAdvisor.com. Pete is an encyclopedia of knowledge about green. Over the years I have known him, he has always helped me get clear on certain issues. You can read more of his thoughts here.

Here in his interview, you’ll hear Yost’s enthusiasm for the future of green and how to get there:

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Interview with Alex Wilson

Posted on 13 February 2010 by Eric Corey Freed

At the 2009 West Coast Green Conference, I was fortunate enough to get to meet and interview Alex Wilson, Executive Editor of Environmental Building News, part of the incredible Building Green site that I visit almost daily.

Here in his interview, you’ll hear Wilson talk about the challenges and roadblocks facing us:

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