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Nanomaterials: Risks and dangers
Key Excerpts from Article on Website of New York Times
Posted: October 3rd, 2009
http://www.nytimes.com/2009/09/30/science/earth/30nano.html
The Environmental Protection Agency detailed its plans ... for research into the possible health and environmental risks of nanomaterials, tiny substances that are finding growing use in products like sunscreens and industrial adhesives. The document ... calls for work to identify sources of nanomaterials, which can measure as little as perhaps one-10,000th the width of a human hair. Research will also center on how they move in the environment, the problems they might cause for people, animals and plants, and how these problems could be avoided or mitigated. The federal National Nanotechnology Initiative is charged with coordinating research by various agencies on the issue. But in a highly critical report last year, the National Academy of Sciences dismissed its effort as inadequate. Little is known about whether substances engineered at the nano scale persist and accumulate in the environment in unusual and potentially harmful ways. In August, a coalition of groups including Friends of the Earth and Consumers Union issued a report urging people to avoid sunscreens containing nano-forms of zinc oxide, saying their risks were unknown.
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