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EPA: More Data Needed to Ensure Spray Foam Safety
Spray-polyurethane foam (SPF) insulation, growing in popularity, is under scrutiny from EPA. What's a homeowner or builder to do?
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Biomass Electricity Production: How Green Is It?
Although biomass supporters consider wood chips to be a ‘green’ fuel like wind and solar, burning wood to generate electricity raises public health and efficiency questions
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Does Saving Historic Buildings Save Energy?
The preservationist wisdom is that a lot of energy — gallons and gallons of gasoline — is locked up in our historic buildings, and should be saved. It’s time to update that wisdom.
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What’s the Difference Between Energy and Power?
Want to measure your energy use, use on-site renewables, or compare savings with other homes? You'd better understand watts, MMBtu, kWh, and other metrics.
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Building Resilience for a ‘Close Encounter’ with Disaster
Can you make your life more resilient in case of disaster? Yes, and it may be greener, too.
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Things You Can Learn from Pete’s Energy Bill
Calculating ‘miles-per-gallon’ used for heating your house may be easier than you think.
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How Much Radiation Does It Take 2 Kilomockingbird?
Feeling bombarded with confusing information about measures of radiation? We sort out the millisieverts from the becquerels.
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Nuclear Meltdown in Japan and Our Energy Future
Looking for clean renewables in the pie chart of post-Fukushima global energy consumption? Try under ‘other.’
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Adios — for a little while…
Leaving deadlines behind for a while
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Natural Gas — Not as Green as it Used to Be
Natural gas can — and should — play a role in a shift to cleaner, lower-carbon energy sources, but there’s no free lunch with this energy source.