14 March 2006 22:15
Raising the (green) roof
When it comes time to replace ugly asphalt shingles or a tar and gravel roof, do it with what’s called a “green roof.” It’s a shallow expanse of garden that can be installed on any structure–house, office, school, factory, shopping mall.
14 March 2006 21:45
U.N. promotes green building practices
One key area of concern is the large share of energy use, with associated greenhouse gas emissions, that the built environment accounts for. In some countries the built environment is responsible for up to 40 per cent of total energy use.
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