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NILU – Norwegian Institute for Air Research is an independent, nonprofit institution established in 1969. NILU's 185 researchers, engineers and technicians carry out small and large assignments for the Research Council of Norway and the EU, management, industry and business, local and state authorities, as well as projects abroad. Read more at NILU. The articles are financed by NILU and written by their communication staff - read more about partner articles at ScienceNorway.