The health risks from toxins such as lead in old paint or asbestos in walls are too often overlooked when homes are upgraded, according to a study on Sunday calling on governments to set tougher pollution rules.
The report, by Canadian experts, said that retrofits of old buildings, such as insulation meant to save energy and limit greenhouse gas emissions, often released poisons that can be especially damaging to children.
"Without sufficient care, retrofits...can increase the health risks," Theresa McClenaghan, executive director of the Canadian Environmental Law Association (CELA), told Reuters as she outlined a CELA project to limit health risks.
"If you do it right, we can make houses healthier, safer and more energy efficient," she said. CELA called for tighter pollution controls, more training of contractors and a greater regard for health in designing energy efficiency programmes.
It said the United States and France were among very few nations with rules for handling old lead paint, whose use was banned decades ago by developed nations. Lead can damage the developing brain of young children.
Lead, making up half the weight of some old paints, was long used to make paint more durable, shiny and water resilient. A Canadian home built in the 1930s might have accumulated more than 200 kg (440.9 lb) of lead, CELA said.
Read More : http://www.reuters.com/article/2011/03/06/us-health-idUSTRE7251TU20110306
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