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November 21, 2013: ARTICLE

Airtightness Tests: What are They and Why Do They Matter?

OAA Sustainability practice article


November 21, 2013: ARTICLE

New Guide: Advanced Energy Retrofits for Healthcare Facilities

The Advanced Energy Retrofit Guide for Healthcare Facilities is part of a series of retrofit guides commissioned by the U.S. Department of Energy. By presenting general project planning guidance as well as detailed descriptions and financial payback metrics for the most important and relevant energy efficiency measures (EEMs), the guides provide a practical roadmap for effectively planning and implementing performance improvements in existing buildings.


August 27, 2013: ARTICLE

Micro Apartments: 15 Inspirational Tiny Spaces

Apartments from around the world ranging from 8-27 square meters. With downtown living costs at a premium, could your lifestyle fit into one of these spaces?


July 10, 2013: ARTICLE

Do You Actually Use Your Condo Balcony?

A look at how condo balconies- although much desired - are mostly unused thermal bridges which are driving prices up.


March 11, 2013: ARTICLE

Can seaweed be used as a building material?

Throughout fall, winter and spring, Mediterranean beaches are littered with little balls of seaweed leaves from the Posidonia oceanica plant, more commonly known as Neptune grass. Although the natural material of these....


March 02, 2013: ARTICLE

Sustainability - Definitions and Criteria

Human civilization and societies, with their accompanying needs for energy, water, materials and nutrients, can be regarded as “sustainable” if they can continue indefinitely, the ultimate limit being set by the expected remaining lifespan of a habitable Earth, which is about 1 billion years.


January 24, 2013: ARTICLE

Two approaches to dealing with climate change

Two recent environmental reports, one directed at the Canadian government and one at the U.S., are worth reading, because they point out important differences in how our two countries approach research into climate change.