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What Makes a Product Green?
Lots of manufacturers call their products “green,” but are they? Here’s our guide to the high-performance attributes that matter.Read More
The Product Transparency Movement: Peeking Behind the Corporate Veil
Manufacturers are offering more product information than ever, but how can we know what to trust?Read More
For Cheap Solar, Look to Laws, Not Labs
New solar technologies make great headlines, but the real answer to cheap PV is government intervention.Read More

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Solé Power Tile: Integrating PV into Clay Roofing Brent Ehrlich says, “The Sole Power tile is no longer available. The SRS Energy website and phone number are not active and US...” More... Passive House Group Bans Certain Spray-Foam Insulation Iain Scott Hunter says, “Paula, I was not calculating the carbon payback time of the SPF foam but comparing the carbon equivalent burden that...” More... Passive House Group Bans Certain Spray-Foam Insulation Paula Melton says, “Scott, are you saying that it will take a year or less to pay back the embodied carbon of the...” More... Iain Scott Hunter says, “The Passive House Standard used internationally is a rational and balanced Building standard addressing health, comfort, durability, and energy efficiency...” More... |