CertainTeed Corporation has altered the formulation of its fiber-cement siding lines to add recycled flyash. CertainTeed WeatherBoards and ColorMax fiber-cement siding lines now include 30%–50% flyash in addition to wood fiber, portland cement, and other additives. Cement is energy intensive to produce, and the use of flyash, a waste product... Read more

The U.S. Environmental Protection Agency (EPA) has announced the recipients of its first WaterSense labels for landscape irrigation certification programs. The Irrigation Association’s programs to certify irrigation designers and contractors have been recognized by EPA for their ability to teach principles of water-saving irrigation design.... Read more

The American Institute of Architects has announced the admission of 76 architects to its College of Fellows for 2007. Elected to the position by a jury of their peers, fellows are recognized for their design achievements and for their service to the profession and the public. Among the fellows recognized were several who specialize in green... Read more

Both major associations of interior designers, the International Interior Design Association (IIDA) and the American Society of Interior Designers (ASID), have entered into collaborative agreements with BuildingGreen, publisher of

Environmental Building News, that make online access to

BuildingGreen Suite available at a special... Read more

In conventional CFLs, a

hot... Read more

A McGraw-Hill Construction study, the

Education Green Building SmartMarket Report, suggests that green schools represent a growing sector of the construction market. The $53 billion education sector currently represents over 27% of the construction market by value, and the study suggests that the green portion of this market will be... Read more

Disposal of unused drugs in toilets, as well as human and livestock excretion of drugs, has polluted surface water and groundwater with traces of pharmaceuticals. In coordination with the White House Office of National Drug Control Policy and the Department of Health and Human Services, the Environmental Protection Agency (EPA) recently... Read more

Great Britain is the latest to join the growing portfolio of countries with their own green building councils. The U.K. Green Building Council (UKGBC), headed by Paul King, will be the official British affiliate of the World Green Building Council and will promote and represent green building throughout the country. UKGBC has officially adopted... Read more

Now that the much-anticipated final report on PVC by the U.S. Green Building Council (USGBC) has been released (see

EBN

Vol. 16, No. 3), one may wonder how the report’s findings will affect BuildingGreen’s coverage of products and materials in

EBN and our

GreenSpec Directory. After a comprehensive and objective... Read more

The American College and University Presidents Climate Commitment has so far signed on 145 presidents, including those of the nation’s largest universities. The commitment endorses a goal of reducing global greenhouse gas emissions by 80% by mid-century and commits signatory institutions to pursuing climate neutrality. Universities have two... Read more

Compact fluorescent lamps (CFLs) seem to have reached widespread acceptance: large retailers such as Wal-Mart are encouraging their customers to purchase the energy-saving lamps, Chinese manufacturing has significantly reduced costs, and rebates are available for them in some areas. Now there are several initiatives to ban the sale and use of... Read more

The U.S. Green Building Council’s 2007 Emerging Green Builders Natural Talent Design Competition is accepting registrations. The competition is being held on the local level again this year, with 19 participating chapters each creating their competition around a local design challenge. For example, the Northern California chapter is asking... Read more

With the durability and moisture-resistance advantages of cement and a carbon footprint closer to that of gypsum, Green E-Board panels are an intriguing new option for tile backerboard, wallboard, and potentially even exterior sheathing. The panels are manufactured from magnesium oxide (MgO) cement (also known as oxychloride cement), which is... Read more

Outdoor wood boilers (OWBs) have enjoyed increased popularity in recent years as homeowners, particularly in rural areas, have looked for lower cost alternatives to oil or gas heat. At the same time, the boilers’ reputation for high emissions levels and low efficiency has caused some states and municipalities, in the absence of federal... Read more

A report released by the Massachusetts Institute of Technology (MIT) suggests that power generation from enhanced geothermal systems (EGSs) could provide 100 gigawatts of electrical capacity within 50 years, or 10% of the current U.S. capacity. EGS uses forced water to fracture hot rock deep under the Earth’s surface, opening reservoirs that... Read more

Green Guide to Specification (see

EBN... Read more