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).
Geo-engineering, ways of modifying Earth's environment via technological tools to control global warming, is gaining steam in tackling the climate emergency. An EU initiative gathered researchers to contribute to the state of the art.
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