The current issue of Environmental Building News reports that PV prices have been going up, reversing the declining cost trend of previous years. Seems to be due to a combination of demand exceeding supply coupled with polysilicon shortages.

There are a growing number of green-product retailers, both online and in storefronts. We list some of those with a specialty focus in GreenSpec, but there are so many more popping up all the time. I visited one last weekend that's quite something — Home Green Home, in Ithaca, NY.

I'm in Ithaca, NY, this weekend at the third annual meeting of Natural Builders Northeast (NBNe), an association of professional natural building practitioners.

7/1/09 Update: If you're looking to keep up to date on LEED 2009 and related issues, I want to recommend checking out our own LEEDuser.com, which was recently launched. For firms or individuals contemplating the new LEED AP CMP system, I particularly recommend this article!

The title of this post is taken from a question we received about the source of recycled rubber used for a parking-bumper and speed-bump manufacturer. It motivated me to do some digging to get a better understanding of the scrap tire industry. As it turns out, it's actually kind of fascinating. The following is unverified single-pass research, and any thoughts, additions, or corrections are welcome.

The braking mechanism on a large wind turbine failed in high winds (the second such occurrence in Denmark last week), leading to the spectacular failure in this video clip. There has been a rash of reported breakdowns in the last two months of turbines manufactured by Vestas, which has a 28% market share and 33,500 units deployed worldwide, according to its website.

Jerelyn Wilson — who has the inadequate title of "Outreach Director" for BuildingGreen — came down the hall and into my office a few minutes ago, bright-eyed and holding the current issue of YES! magazine in front of her, folded open. "Have you seen this?!" she asked, holding it out for me:

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It's not a new idea, but this book is less than a year old. From the blurb for Guerrilla Gardening: A Manualfesto, by David Tracey:

The tech folks here at BuildingGreen just rolled out some great website improvements. A few are invisible ones of the sort that quietly improve the experience... but very visibly and most significantly (in my opinion), the News page — which is available by clicking the "News" button near the upper right of each page on the site — has been redesigned and ramped up. It rocks. The editorial team will be making expanded use of the News page in the near future — stay tuned for that...

I tagged along with Tristan Korthals Altes, top-notch managing editor of Environmental Building News, on an interview with a global distributor of carbon nanotubes who just happens to be located in our little Vermont town. Tristan's working on a feature story on nano technology for the newsletter, and it's shaping up to be quite something to anticipate.

As a follow-on to the previous post, representatives from BuildingGreen are scheduled to attend the following conferences this year: Better Buildings by Design Burlington, VT

February 13-14, 2008 International Builders Show Orlando

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