Environmental Building News
Volume 18, Number 11 — November 2009
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Feature

Making Your Own Electricity: Onsite Photovoltaic Systems

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Although photovoltaic systems have a long payback period, generous incentives and tax credits can make the systems attractive for building owners interested in reducing their carbon footprint.

Letters

Drinking the Heat Pump Kool-Aid
Reader Thomas McGrath questions the choice of heat pumps over other forms of space heating.

What's Happening

EPA Seeks Stronger Regulation of Chemicals
EPA Administrator Lisa Jackson outlined a broad set of principles that will guide Administration efforts to reform the 30-year-old Toxic Substances Control Act.

States Adopt BIM for Energy, Cost Savings
BIM allows state governments to streamline design and construction of state buildings and track their performance over time.

Wind Turbine Certification Forthcoming
A new performance standard for small wind turbines being developed by the American Wind Energy Association will be used by the newly formed Small Wind Certification Council to certify wind turbine durability and performance based on standardized wind conditions.

ASHRAE Requires Mechanical Ventilation in Naturally Ventilated Commercial Buildings
An addendum to ASHRAE’s natural ventilation standard requires mechanical backup systems for naturally ventilated commercial buildings.

Newsbriefs

 

Product Review

Building a Better Building Block—Pozzotive Plus

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Kingston Block & Masonry Supply has introduced a line of CMUs and concrete facing brick made with a post-consumer-recycled-glass pozzolan substituting for 30% of the portland cement as well as about 50% post-consumer recycled aggregate.

Silva Cell Facilitates Urban Tree Growth
The Silva Cell provides a framework that supports streetscapes and paved surfaces and encloses uncompacted subsurface soil so it can be used for tree-root growth or stormwater mitigation.

BackPage Primer

Programmable Thermostats
Programmable thermostats can save a lot of energy, but to do so, the have to be operated correctly.

Calendar

Calendar of Events