Product Review
News Brief
glymes. Glymes have many commercial uses, including applications in building products such as adhesives, industrial paints and coatings, paint strippers, refrigerant lubricants, and lithium-ion batteries.... Read more
News Brief
The U.S. Department of Energy (DOE) has announced a $1.4 billion federal loan guarantee for Project Amp, an ambitious undertaking to install 733 MW worth of photovoltaic panels on commercial buildings across 28 states and the District of Columbia. (For comparison, the U.S. installed 878 MW of PV in 2010, according to the... Read more
News Analysis
The predicted economic impacts of climate change play a key role in directing policy responses to a warming planet. Of particular importance is a figure called the social cost of carbon (SCC), which gives a dollar amount to each ton of carbon emissions—and a figure derived by the Obama administration of $21 per ton of carbon is drawing sharp... Read more
Product Review
The Finnish company Upofloor’s PVC-free LifeLine CS commercial resilient sheet flooring uses a tough wear layer and low-emitting materials to create a durable surface. It is appropriate for healthcare, education, and other public spaces prone to consistent, heavy foot traffic.
Distributed in North America through Altro,... Read more
Explainer
You know what R-value is, but how do they figure it out? And is it really a reliable measure of insulation performance?
R-value, which measures resistance to heat transfer in insulation, is one of the most popular building metrics—but what it does and doesn’t tell us is often misunderstood.
There are two test methods that are important to measuring R-value. The first, ASTM C518, is relevant to single materials. In this test, a sample of the material is... Read more
Feature
The economic collapse hit small and mid-sized design firms hard, but many with a green focus have adapted. We asked them to share their stories.
By Paula MeltonIt’s been five years since our super-sized housing market collided with the iceberg of reality and began its long descent, eventually pulling the global economy into the frigid depths along with it. The magnitude and origins of this collapse are making the recovery a slow one—and uniquely painful for those working in building... Read more
News Brief
That’s where environmental product... Read more
News Brief
The resulting education programs and building performance databases will help appraisers recognize and evaluate sustainability features within their own local real... Read more
News Brief
In exchange for the installation, which would typically cost tens of thousands of dollars, homeowners will agree to pay a set amount (lower than typical utility costs) for the power produced by the PV... Read more
Blog Post
Blog Post
[Editor's note: Robert Riversong, a Vermont builder, continues his 10-part series of articles taking design and... Read more
News Brief
Through the program, Bank of America will distribute $50 million in low-interest loans as well as $5 million in grants to help community lenders administer... Read more
Product Review
Manufacturers are improving photovoltaic (PV) module efficiency and bringing down costs, but the most efficient PV systems today use silicon crystal technology that is decades old. At the same time, thin-film technologies offer a cost-competitive solution with some advantages but with lower efficiency. With the hundreds of... Read more
News Brief
The global recession caused a dip in energy-related carbon emissions in 2009, but IEA reports that infrastructure... Read more
News Brief
The overall energy efficiency of domestic portland cement manufacture has increased 13% over a ten-year period, according to a report prepared for the U.S. Environmental Protection Agency (EPA) by economists at Duke University.
The decrease in total source energy, researchers wrote, is “equivalent to an annual reduction... Read more
News Brief
The Energy Lab at Hawai’i Preparatory Academy is the third building worldwide and the first K–12 school facility to achieve “Living” certification through the Living Building Challenge (LBC).
The science building, completed in January 2010, houses classroom and meeting spaces for a school curriculum focused on renewable energy.... Read more
News Brief
The urban heat island effect created by large areas of pavement and buildings can cause many problems, from increased energy use to reduced water quality. A new study from the National Center for Atmospheric Research (NCAR) suggests that expanses of paved surface may also worsen air quality in coastal cities like Houston, where... Read more






