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Recent Articles
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Solar Jobs Declined for a Second Straight Year in 2018
Solar jobs in the U.S. dropped by 7,900 last year, a 3.2% decline, but prospects for growth this year are good, the Solar Foundation said in its annual snapshot of…
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Regulators Plan Rollback of Light Bulb Efficiency Rules
The Department of Energy has decided that certain light bulbs won't have to show improved energy efficiency after all. The department last week announced it intends to scrap plans for…
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21-Story Mass Timber Building Proposed in Milwaukee
In Milwaukee, a city panel has given preliminary approval to plans for a 21-story apartment building whose upper floors would be built with mass timber components instead of steel. The…
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Nation’s Top Green College Plans a New Green Building
The school ranked by The Princeton Review as the number one green college in the U.S. has announced plans for a new campus center that will be built to the…
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Should a Roof Have a Rainscreen?
A vented rainscreen is an increasingly common exterior detail on exterior walls. Instead of attaching siding directly to the sheathing, builders add an air space behind the siding, which helps…
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Nitrate Taints Drinking Water of Millions, Study Finds
Drinking water for more than 5 million Americans contains nitrate levels that may be high enough to increase the risk of cancer and birth defects, a study published earlier this…
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Researchers Raise Questions About Rigid Foam Flame Retardant
A flame retardant introduced in 2011 as an environmentally safer alternative for polystyrene insulation can break down in the presence of sunlight and heat into chemicals that are potentially harmful…
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Minneapolis May Require Energy Evaluations on Homes for Sale
In Minneapolis, the City Council is tinkering with a proposal that would require an independent energy evaluation of houses when they go on the market. Although the plan is still…
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Untangling a Roof Insulation Goof
This Q&A Spotlight begins with a confession of sorts from Ryan Lewis, who thinks he may have botched an insulation job. "Let's suppose you screw up insulating a flat roof…
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EPA Sued Over Inaction on Paint Stripper
The U.S. Environmental Protection Agency has been sued for its failure to ban methylene chloride, a chemical used in some paint strippers that has been linked to a number of…
