Nanomaterials describe, in principle, materials of which a single unit is sized (in at least one dimension) between 1 to 1000 nanometres (10−9 meter) but usually is 1 to 100 nm (the usual definition of nanoscale).
In an effort to transform Europe into a green economy, stakeholders have created various indicators to measure its progress. An EU initiative is examining tools that assess green growth and sustainable development in order to facilitate this transition.
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