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What Does ‘Sustainable’ Mean?
Can the planet continue to support U.S. levels of consumption?
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Forgotten Pioneers of Energy Efficiency
It’s not too late to implement unheeded lessons from 30 years ago
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Simplicity versus Complexity
Complicated equipment has a downside
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The EPA’s Indoor AirPlus Program
Will these features really improve indoor air quality?
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Toxic and Non-Toxic Houses
Why are green builders obsessed with toxins?
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Understanding R-Value
R-value measures heat transfer by conduction, convection, and radiation
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A Music Video For Energy Auditors
Is it possible to make a funny music video on the topic of residential energy audits? It sounds unlikely. But a group of Stanford University students have risen to the…
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Choosing an Energy-Efficient Television
Gritting my teeth, I visit Wal-Mart
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Yes, We Can
Responding to the ‘It’s impossible’ crowd
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Beware of R-Value Crooks
Insulation scams for products like P2000 rob unwary consumers by exaggerating R-values