Calera Green Cement

Calera’s process of turning waste CO2 into calcium carbonate cement.
Calera’s process of turning waste CO2 into calcium carbonate cement.

“Calera’s process for CO2 reduction involves the capture of CO2 gas from industrial emitting sources and converting the CO2 into a novel calcium carbonate cement system that’s used to make a variety of valuable products.

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Kirk Nielsen – Green Builder

Sustainable community designs by Kirk Nielsen
Sustainable community designs by Kirk Nielsen

“Community Layout and Structures Designed Using Sacred Geometry
Using sacred geometry to layout the communities enhances the connection to Earth, Spirit, and creates a joyous uplifting environment.

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My Favorite Natural Home

Simon Dales’ woodland home in Wales is a natural building icon.
Simon Dales’ woodland home in Wales is a natural building icon.

Over the years I’ve had the great pleasure of viewing thousands of homes built with natural materials such as sustainably harvested wood poles, earth, straw, stone, and recycled materials. So which natural home is my personal favorite? I’d have to go with Simon Dales’ woodland home in Wales. Not only is it absolutely stunning from many different views, it’s also very low cost (3,000 pounds or $4,500), practical to build (4 months by 2 workers) and live in, and super energy efficient due to the thick straw bale insulation. The cost is very important. Almost anyone can afford a home like this.

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Making Sustainability Sexy – The Valhalla Sustainability Learning Centre Designs


Here’s an interesting presentation by the same folks who designed and built the earthship greenhouse in Montreal that I featured in yesterday’s blog post. The speaker makes lots of good, thought provoking points. It sounds like they’ve moved beyond earthship greenhouses and are now working on modular sustainable housing for cities. Their new designs are faster to build than conventional houses and very energy efficient, however the cost works out about the same.

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