Blog

Biobased Materials—Increasing Our Scrutiny

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It's natural that we should gravitate toward biobased materials. But many of them are energy-intensive and toxic, so how do we judge what's best?

O Ecotextiles is an example of the kind of leadership company that has worked diligently to address environmental impacts at every step of their product's production--including careful attention to responsible sourcing of biobased materials.
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The Revolution in Window Performance - Part One

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This Marvin Tri-pane window has three panes of glass, creating two dead air spaces. Photo: Marvin Windows. Click on image to enlarge.

I've been working for the past couple weeks on a report on windows--the latest in BuildingGreen's series of special reports on green building (the last one covering insulation). This focus has reminded me just how much we expect of our windows and what an amazing job they do.

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LEED Now Recognizes Energy Credits from BREEAM

LEED is now recognizing credits from BREEAM, the popular European rating system. LEEDuser has the details on how this new policy is going to work.
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Good news for European LEED projects just came in, via a USGBC press release stating "U.S. Green Building Council Announces the LEED Green Building Program to Recognize Energy Credits from BREEAM."

Here are a couple key paragraphs:

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Worker Safety on LEED Projects Questioned

A 2009 study found no difference in worker safety on LEED projects, but a new study asks what factors might make LEED construction sites less safe, drawing a link from design to worker safety.
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A new study out of the University of Colorado–Boulder suggests that LEED buildings are more likely to place construction workers in danger than are their conventional counterparts. While the results of the new study, to be published in April 2012 in the Journal of Construction Engineering and Management, are getting a skeptical view among the LEED community, the authors insist that the effect of design choices on the safety of construction workers should be a stronger consideration for architects.

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Gypsum Board: Are Our Walls Leaching Toxins?

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By any name--drywall, wallboard, or plasterboard--gypsum products may not be as innocent as we once thought.

Drywall, which makes up 15% of demolition and construction waste, leaches toxins and releases hydrogen sulfide gas in landfills.

Virtually ubiquitous in our buildings, gypsum board is widely seen as an innocuous building material.

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Traffic Calming – Saving Lives and Saving Energy

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An artist rendering of what Canal Street in Brattleboro could look like after major redesign to make it more pedestrian friendly; see below for a current photo. Source: Brattleboro Active Living Workshop Report. Click on image to enlarge. Brattleboro, Vermont hasn't been a good place to be a pedestrian recently.
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LEED 2012 – 3rd Public Comment – IEQ (Indoor Environmental Quality) Section

Key changes in the the third public comment draft of LEED 2012
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Key changes in the the IEQ section of LEED-NC (part of LEED BD&C) in the third public comment draft of LEED 2012 are discussed below. Do you have comments or questions on this draft? Discuss them below with your fellow LEED professionals. Substantive comments submitted here during USGBC's third public comment period here will be submitted to USGBC and considered "official" public comments.

More information on LEED 2012 certification and the third public comment.

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LEED 2012 – 3rd Public Comment – MR (Materials and Resources) Section

Discussion of key changes
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Key changes in the the MR section of LEED-NC (part of LEED BD&C) in the third public comment draft of LEED 2012 are discussed below. Do you have comments or questions on this draft? Discuss them below with your fellow LEED professionals. Substantive comments submitted here during USGBC's third public comment period here will be submitted to USGBC and considered "official" public comments.

More information on LEED 2012 certification and the third public comment.

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Could Resilience Become the New Green?

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The latest EBN feature article is new available. Click on image to enlarge.

A new feature article in Environmental Building News examines how a focus on resilient design could advance green building more quickly than our current focus on sustainability.

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LEED 2012 – 3rd Public Comment – EA (Energy & Atmosphere) Section

Discussion of key changes
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Key changes in the the EA section of LEED-NC (part of LEED BD&C) in the third public comment draft of LEED 2012 are discussed below. Do you have comments or questions on this draft? Discuss them below with your fellow LEED professionals. Substantive comments submitted here during USGBC's third public comment period here will be submitted to USGBC and considered "official" public comments.

More information on LEED 2012 certification and the third public comment.

Read more »