By Michael Steinfeldt, Arnim Gleich, Ulrich Petschow, Rüdiger Haum
This booklet demonstrates that the appliance of nanotechnology in can lead to elevated eco-efficiency and different environmental earnings. It additionally exhibits what should be performed from the part of scientists, engineers and technological know-how coverage makers to lead destiny improvement in nanotechnology in the direction of sustainability. The underlying process has been a three-tier procedure of potential expertise assessment.The confident results of nanotechnology are illustrated with 4 case reports. One extra case examine offers with attainable dangers and unwanted effects of nanotechnology. within the final part, the position of guiding ideas in destiny nanotechnology study and improvement is mentioned.
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Additional resources for Nanotechnologies, hazards, and resource efficiency: a three-tiered approach to assessing the implications of nanotechnology and influencing its development
There are still more points that are important for a technological characterization of nanotechnology. ) 33 See in this regard the legal arguments submitted in the approval process for a plant facility of the Bayer subsidiary H. C. Starck in Laufenburg am Hochrhein; for further considerations that include (then) not yet feasible nanotechnological developments such as nanorobots, see (Forrest 1999) (Reynolds 2001) (Haum et al. 2004). 1 Characterization of nanotechnology 41 Nanoparticles are, as a rule, so small and light that when airborne they remain floating in the air rather than sinking to the ground.
But the trial-and-error method, upon which we so often must fall back, has its limits, as already described above, and is appropriate only for small – largely reversible – steps. When it can justifiably be assumed from the very beginning that particular projects, technologies, and operations will have global and irreversible consequences, the trial-and-error method would be irresponsible. The introduction of CFCs was such a case. The precautionary principle comes 27 As an example one could look at the problems of ABB with regards to demands for damage compensation due to the deployment of asbestos, but also the activities of the insurers and reinsurers, whose sensibilities have greatly increased in this respect.
Böschen 2000; Böschen 2002). 1 1969 1982–1989 1998–1999 2000–2001 Characterization of technologies 21 countries. British asbestos regulations improve controls, but disregard end users and their cancer cases. Asbestos controls for end users and manufacturers are strengthened; searches for substitutes are stepped-up. EU and France ban all substantial uses of asbestos. WTO upholds the EU/France asbestos ban against Canadian appeal. Table 4. Historical timeline of the CFCs controversy12 Year 1907 1934 1973 1974 1977 1977 1980 1985 1985 1987 1990 1997 1999 Content of the controversy Weigert conducts laboratory experiments proving that chlorine decomposes ozone.