Controls Go Wireless

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Particularly for lighting and ventilation controls in retrofit situations wireless systems offer potential energy, money, and resource savings. The technology is still new, however, and potential drawbacks like health risks, interference, and even the potential for increased energy consumption need to be examined.

From the Editors

News and Views in Real Time
BuildingGreen has a new online resource for real-time green building news: LIVE.


LEED Delivers on Predicted Energy Savings
Data from the U.S. Green Building Council and the New Buildings Institute shows that, although varying widely in individual buildings, measured energy savings meet or exceeds predicted energy savings for LEED buildings on average.

Kansas Town Rebuilding as the Greenest in America
Destroyed by a tornado in May 2007, Greensburg, Kansas, is rebuilding as a green town, with support from FEMA, a green master plan, and local values.

Restructuring of LEED Moves Ahead
The U.S. Green Building Council is moving ahead with plans to align and harmonize its LEED rating systems to make certification simpler and allow for refined weighting of environmental and regional concerns.

Homes Get Their Own LEED
As it rolls out the LEED for Homes rating system, the U.S. Green Building Council is improving the program's certification infrastructure, while sticking with some controversial elements.

Guidelines in Development for Residential Remodeling
The Regreen program aims to give residential remodeling designers and contractors, as well as homeowners, an integrated guide to making their projects green.

Cascadia's Challenge Moves Beyond Buildings
The Cascadia Green Building Council has unveiled its "Living Site and Infrastructure Challenge," which adds beauty and inspiration to more practical environmental measures.

IPCC Warns of Dire Climate Consequences
The fourth report from the Intergovernmental Panel on Climate Change offers strong warnings, but concludes that the building sector offers the greatest potential for cost-effective carbon emission reductions.



Awards & Competitions

German Team Wins Solar Decathlon
The first international team to win the Solar Decathlon, the team from Technische Universität Darmstadt used innovative building-integrated photovoltaics in their winning house.

USGBC Recognizes Green Building Leaders
The U.S. Green Building Council announced its annual Leadership Awards at Greenbuild 2007.

Product Review

BuildingGreen Announces 2007 Top-10 Products
BuildingGreen, Inc., publisher of the GreenSpec Directory and Environmental Building News (EBN), announced its annual Top-10 Green Building Products, representing the most exciting products covered in those publications in the last year.

Migrations Biobased Tile from Armstrong

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A new biobased composition tile from Armstrong offers a more attractive alternative to popular vinyl composition tile.

From the Library

Two Resources Promote Sustainable Urbanism
Combine walkable, transit-served urbanism with high-performance building and infrastructure and, according to author Douglas Farr, AIA, you’ve got Sustainable Urbanism.

BackPage Primer

Energy Metrics: Btus, Watts, and Kilowatt-Hours
Mixing units of electric power with those of energy is a common mistake, but distiguishing kilowatts from kilowatt-hours is not that complicated, and is worth getting straight.