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Does Green Energy Have Hidden Health and Environmental Costs

Environmental effects from hydropower vary widely, we found. Some dams cause significant climate impacts through the emissions of … See more

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URL: https://www.greenbuildingadvisor.com/article/does-green-energy-have-hidden-health-and-environmental-costs

The Origin of That Humidity and Health Factors Chart

WebIt’s often called the Sterling chart and is from a 1986 paper titled, Indirect Health Effects of Relative Humidity in Indoor Environments. The authors of that paper …

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Study Details Health Risks of Insulation and Air-Sealing Products

WebA group of organizations promoting energy-efficient housing has published a report on insulation and air-sealing products, concluding that chemical emissions from …

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Ventilation Rates and Human Health

WebThat’s been a commonly held belief for at least 200 years. In the mid-19th century, the connection between ventilation and human health was championed by …

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How Safe is PEX Tubing

WebBuilders have climbed on the PEX bandwagon in droves. Cross-linked polyethylene tubing is increasingly taking the place of copper in residential plumbing …

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Can Houses be “Too Insulated” or “Too Tight”

WebNo. Green homes are insulated well, tightly built, and well ventilated Let’s take these issues one at a time. The “too tight” theory holds that houses need to breathe. …

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Wisconsin Health Board Says Turbines Pose a Threat

WebA connection between the low-frequency sound of wind turbines and ill health has not been established. But Dr. Jay Tibbetts, the vice president and medical advisor …

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Choosing Countertops for a Healthy Kitchen Environment

WebThe company says the material has less than 70 g. of VOCs per L. Nonetheless, like other synthetic sealers, the material remains harmful to inhale until …

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How Worried Should You Be About Asbestos in Older Homes

WebAsbestos occurs in six mineral types, and all have fibers that are harmful to lung tissue, getting embedded in lung tissue and causing inflammation, scarring, and …

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Six Steps to Success With Heat-Recovery Ventilation

Web3. Locate exhaust points. Since the idea is to remove humid, odiferous air from the house, locate the stale air exhaust points in each bathroom, kitchen, utility …

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Pro/Con: Vinyl is Lethal

WebPro/Con: Vinyl is Lethal. Bill Walsh is founder and executive director of Healthy Building Network, established in 2002 to promote the use of green building …

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Study Finds No Direct Link Between Wind Turbines and Health …

WebA study of more than 1,200 adults in two Canadian provinces has found no definitive connection between the noise from utility-scale wind turbines and a number of …

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Is Negative Pressure Causing a Problem in Your Home

WebAt the other extreme, some Passive House projects have air-leakage rates of 100 cfm50, or even lower. Two 50-cfm bath fans would induce a 50-Pa pressure …

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What’s the Most Energy-Efficient Water Heater

WebHow a heat pump water heater saves energy. Currently, water heaters of all types account for about 18 percent of U.S. households’ energy consumption—more than …

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A Ventless Gas Fireplace Doesn’t Belong in Your Home

WebA ventless gas log fireplace may look fine, but combustion products should always be vented to the outside. First of all, let’s call it what it really is. The industry likes …

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Lingering Questions About PEX

WebAlthough copper remains common inside buildings, there are compelling reasons why new projects frequently use PEX. Price is one major draw: PEX can be a …

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Two Reasons to Avoid Most Electronic Air Cleaners

WebThe second reason to avoid most electronic air cleaners is that they may actually be bad for indoor air quality. I’ve already established that ozone is bad for indoor …

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Our Top-Efficiency Heat-Recovery Ventilator

WebApparent sensible effectiveness (ASEF) is the most commonly reported number for heat transfer efficiency. The HVI-listed ASEF of our Zehnder unit is 93% — …

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Closed-cell spray foam insulation – is it safe

WebWe are reading lots of things about spray foam insulation, and have just had the attic space in our new home spray foamed with a closed cell variety. We are …

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