| http://www.w3.org/ns/prov#value | - While nanotechnology opens up an array of new solutions to global sustainability challenges, such as more efficient energy and water use, concerns are being raised about the potential risks to humans and the environment associated with some engineered nanomaterials.1 In August 2009, the US Project on Emerging Nanotechnologies2 listed more than 1000 entries in its inventory of nanotechnology produc
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