Report advocates international cooperation and data-sharing to better understand potential risks from nanomaterials
The European Commission (EC) and the Project on Emerging Nanotechnologies in cooperation with the U.S. Environmental Protection Agency published a report on the need to assess the impact of nanomaterials and nanoproducts on the environment and on human health. The report is the result of a workshop held in October 2006, in which 25 nanotechnology and Life Cycle Assessment (LCA) experts from around the world discussed ways to identify risks, and rewards, that may arise from the use of nanotechnology.
Nanomaterials are materials that are less than a micrometer in size, usually one to 100 nanometers. These materials are widely distributed; according to David Rejeski, director for the Project on Emerging Nanotechnologies, nanotechnology can already be found in industries from medicine to textiles to electronics. This technology, Rejeski believes, has potential to reach further than revolutionary technologies of the past. However, not a lot is known about how nanomaterials affect human health or the environment, and Rejeski emphasizes, “understanding potential risks … is critical.”
The joint venture resulted in a set of guidelines for governments, academia, industry and consumers to follow, and advocates Life Cycle Assessment (LCA) as the tool of choice to assess the impact of nanomaterials. LCA systemically evaluates a material or product’s effect on human health and the environment, from production to disposal. This technique is used throughout academia and industry to assess the impact of various materials and chemicals.
Since little data on nanomaterials or on nanopollution currently exists, some of the LCA analyses may not be perfect. However, with increased research and data collection, and both international cooperation and cooperation between competing industries, future LCA comparisons will improve.
According to Renzo Tomellini, Head of Unit at Nano- and Converging Science and Techologies in Europe, the EC previously adopted publications that advocate “a safe, integrated and responsible strategy” towards assessing nanotechnology from research and development through to the disposal stage. “The EC has also highlighted international cooperation as a key asset to advance R&D and to pave the way for a level playing field in the global marker,” said Tomellini.
The Project on Emerging Nanotechnology is funded by both the Woodrow Wilson International Center for Scholars and The Pew Charitable Trusts.
The entire report, Nanotechnology and Life Cycle Assessment: A Systems Approach to Nanotechnology and the Environment can be found here (PDF).
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