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How Much Water Does it Take to Turn on a Light Bulb?
A look at the water intensity (or water footprint) of electricity generation
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Saving Water — Saving Energy
Saving energy isn’t only about using less electricity and fuel; it’s also about saving water
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Collection and Use of Urine
Human urine collection and use provide a better way to recycle nutrients than the use of composting toilets
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Reinventing Concrete
A California company envisions a world in which the 8 billion tons of concrete used each year sequester billions of tons of carbon dioxide
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Lessons From Our House That Could Be Applied More Affordably
Yes, our house cost a lot more than I would have liked, but many of the ideas used in it could be implemented more affordably
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Going High-Tech With an Induction Cooktop
Induction cooktops respond quickly, avoid gas combustion, are tops in energy efficiency, and limit risk of burns
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Heat-Pump Water Heaters in Cold Climates
Heat-pump water heaters save energy on a year-round basis — but during the winter, the energy savings will drop
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Deciding on a Water Heater
Why we chose an electric water heater instead of a solar water heater
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Commissioning Our Heat-Recovery Ventilator
The supply and exhaust airflows of a ducted HRV have to be measured and balanced after installation for the system to function properly
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Our Top-Efficiency Heat-Recovery Ventilator
We expect our state-of-the-art HRV from Zehnder to provide fresh air to our home, with very low energy consumption, for years to come
