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Energy Equity: Bringing Solar Power to Low-Income Communities
Originally published at Yale Environment 360. Isbel “Izzy” Palans lives in a small cabin nestled among mountain peaks and towering trees in the Colorado Rockies. Her home is often shaded…
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How Green Are Mass Timber Buildings?
This post originally appeared at Yale Environment 360. The eight-story Carbon 12 building in Portland, Oregon, is the tallest commercial structure in the United States to be built from something…
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More Bad News on Ventilation System Effectiveness
When researchers look at the effectiveness of ventilation systems installed in new homes, what do they find? To some extent, the answer depends on what area of the country you’re…
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LED Streetlight Conversions Falter
Streetlights using light-emitting diodes (LEDs) are designed to last longer and use less energy than conventional lighting, but it's not working out that way in at least two U.S. cities.…
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Wingnut Testing of Soffit-to-Ridge Venting, Round 2
It has been a while since I blogged about my first round of Wingnut roof vent testing, so here is a reminder of the questions that the tests should answer:…
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Living Building Challenge Gets an Update
The International Living Future Institute has released a new version of its Living Building Challenge and announced a new certification category called Core Green Building Certification. The Institute said that…
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Rail Makes Transportation Cleaner
Transportation represents a large portion — about 29% — of U.S. greenhouse gas emissions, and the share has been rising in recent years. Rail proponents often argue that investment in trains…
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Tiny House Converts Benefit the Environment
Interest is surging in tiny homes — livable dwelling units that typically measure under 400 square feet. Much of this interest is driven by media coverage claiming that living in tiny homes…
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My Windows Were Installed Incorrectly. Now What?
Brian is building a new house in New Jersey and has selected Andersen 400 Series windows. So far, so good. The problem is how the windows have been installed by…
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Sandwiching Roof Sheathing Between Two Impermeable Layers
Many builders have heard the phrase, “Walls should be able to dry in at least one direction.” The rule usually makes sense. If you want to install rigid foam on…
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