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2 Nov 2009 IN GREEN-MATERIALS-GUIDE | COMMENTS
Though it looks nearly identical, engineered wood flooring is built differently than solid wood flooring. Instead of one solid piece of wood, three to seven layers are stacked and glued or laminated together with heat and high pressure to create a product with similar (or more consistent, in some...+ READ MORE
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30 Oct 2009 IN WORK & CONNECT | COMMENTS
A program launched just last month is already about halfway to meeting its goal of 1,000 superintendents signed up for its green training program, which will slash the carbon emissions-and energy costs-of New York City's buildings.+ READ MORE
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28 Oct 2009 IN HOME & GARDEN | COMMENTS
When you own a house, there may seem like a never-ending list of things you want to improve, whether cosmetic -- like finally replacing peeling wallpaper or adding a splash of color with new paint -- or more functional, as with more insulation in the attic, or a more efficient heating...+ READ MORE
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25 Oct 2009 IN GREEN-MATERIALS-GUIDE | COMMENTS
Solar is the low-hanging fruit of home heating; there is lots of it, the technology is getting cheaper every day and you can even do it yourself.+ READ MORE
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25 Oct 2009 IN GREEN-MATERIALS-GUIDE | COMMENTS
Electricity is expensive to make and transport, but it is our most flexible energy source, able to run just about anything from our lights to computers. But does it make any sense to use for heating? If you take a systems approach, perhaps it can.+ READ MORE
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25 Oct 2009 IN GREEN-MATERIALS-GUIDE | COMMENTS
Radiant flooring: it is comfortable, clean and saves energy. But it is expensive, slow to react and if anything ever goes wrong.....+ READ MORE
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25 Oct 2009 IN GREEN-MATERIALS-GUIDE | COMMENTS
Natural Gas is the most common heating fuel in urban areas of North America; it is the cleanest fossil fuel (50% less CO2 produced per unit of heat than coal). But is it a green way to heat?+ READ MORE
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25 Oct 2009 IN GREEN-MATERIALS-GUIDE | COMMENTS
When energy prices were really high a few years ago, many people switched to wood and pellet stoves. Some even say they are carbon neutral. But are they really?+ READ MORE
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25 Oct 2009 IN GREEN-MATERIALS-GUIDE | COMMENTS
You really can't talk about heating and cooling a house independently from talking about the house itself; they work together as a system. The best example of this is the Passive House: It is designed so that it barely needs any heat at all.+ READ MORE
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25 Oct 2009 IN GREEN-MATERIALS-GUIDE | COMMENTS
It really shouldn't be called Geothermal; that should be reserved for volcanoes and geysers. But that is what everyone is doing these days. It is popular and efficient because it moves heat instead of making it, which is a lot more efficient. Really, it is a form of solar power, picking up energy...+ READ MORE
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22 Oct 2009 IN GREEN-MATERIALS-GUIDE | COMMENTS
Almost all residential windows are double-glazed, and there are many options. Spacers used to be metal and conductive, so you would see condensation in the corners; now they are non-conductive. Glass can be tuned to the climate requirements, Low E to reflect heat for hotter parts of the country;...+ READ MORE
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20 Oct 2009 IN GREEN-MATERIALS-GUIDE | COMMENTS
When it comes to building or renovating a home, there are few simple choices. From styles and colors to location and design, there's an awful lot to consider, but, thankfully, you don't have to settle for materials whose production or use has a big-time negative impact on the planet. Here to help is...+ READ MORE
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20 Oct 2009 IN GREEN-MATERIALS-GUIDE | COMMENTS
Building blocks are the foundation of your eco-friendly home. From bricks to wood to rammed earth and logs, this what your green home will be built upon. Our choices are influenced by history, local culture, and availability of materials. Here we have listed the pluses and minuses of each, but...+ READ MORE
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20 Oct 2009 IN GREEN-MATERIALS-GUIDE | COMMENTS
Insulated concrete forms are a system of stackable blocks of expanded polystyrene that are filled with concrete and reinforcing as required, resulting in a strong, well-insulated wall.+ READ MORE
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20 Oct 2009 IN GREEN-MATERIALS-GUIDE | COMMENTS
Air conditioning is a relatively recent addition to houses, but has completely changed their design. Designers never worry much any more about cross-ventilation, window sizes, window openings, or orientation; just let the thermostat do the work. But it is all a lot more complicated that that.+ READ MORE
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