Slow federal action to oversee nanotechnology leaves 'room at the bottom'

State and local governments often have adopted trailblazing initiatives to address environmental, health and safety concerns in advance or in lieu of federal action. With nanotechnology, an emerging field of science with unknown risks, this practice is continuing, a landmark study has found.

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<p><a href="http://www.physorg.com/news126965581.html">Slow federal action to oversee nanotechnology leaves 'room at the bottom'</a></p> <p>State and local governments often have adopted trailblazing initiatives to address environmental, health and safety concerns in advance or in lieu of federal action. With nanotechnology, an emerging field of science with unknown risks, this practice is continuing, a landmark study has found.</p>