Carbon Negative Cement by Novacem

Material ConneXion, a global materials consultancy, recently gave its material of the year award to Novacem for the company’s “carbon negative” cement.  The product is being touted with increasing frequency and — it would seem from the literature — has the potential to change the world of concrete in 2014-15 when it hits the market.

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By |February 7th, 2011|Materials, News|18 Comments

The Rise of the Passive House [The Tyee]

Passive House is an increasingly popular low-energy standard.  Passive Houses must be airtight (0.60 ACH at 50 Pascals) and low energy (4.75 kBTU/ft2/year max heating and cooling demand and 38 kBTU/ft2/year maximum primary demand) — requirements that slash energy demand by about 90%.  Due to increasing popularity of Passive House, media mentions like this mini-series in The Tyee — are becoming more common.

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By |February 2nd, 2011|News, Passive House|6 Comments

Obama: 80% Clean Electricity by 2035

Tonight President Barack Obama delivered the State of the Union Address with a message of innovation, education, and reformation.  The President discussed clean energy, oil subsidies, high-speed rail, and a number of other things that will directly impact how we living in the future.  Here are some soundbites from those remarks.
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By |January 25th, 2011|Government, News|4 Comments

Benefits of Green Prefab [USA Today]

Today USA Today published an article on green prefab in both the Money section and online.  Wendy Koch, author and owner of her own green home under construction, gathered various industry opinions for the article.  Here’s a snapshot of industry thinking on the topic:

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By |January 17th, 2011|News, Prefab|1 Comment

How to Clean Up a Broken CFL Bulb

A few days after Christmas, the EPA issued updated guidance on how to clean up a broken compact fluorescent lamp (“CFL”) bulb.  CFLs are made with a small amount of mercury that can be released as vapor when broken.  That vapor is a health risk, although the EPA still encourages the use of CFLs to save energy and reduce GHG emissions.  Here’s an outline of the EPA’s CFL cleanup guidance:
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By |January 4th, 2011|Air Quality, News|4 Comments

Top Green Building Trends for 2011

As with last year, green building consultant Jerry Yudelson published a top-ten list of green building trends for the next year.  Yudelson explains that green building is growing in popularity across the globe — that “more people are going green each year, and there’s nothing on the horizon that will stop this trend.”  I’ve hand-picked some of Yudelson’s trends that will apply in the residential sector below:
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By |January 3rd, 2011|Lists, News|7 Comments