New calculations suggest that the number of people exposed to potentially hazardous levels of particulates in Norway's main urban centres may have been underestimated by as much as 250%, the pollution control authority (SFT) announced today. The findings, described as "sensational" by national media, come from studies by the institute for atmospheric research (NILU) and the national statistics office (SSB). Wood fires contribute more to overall pollution than previously thought, the two organisations reckon. Earlier analyses have tended to focus on road traffic as the main culprit. See press releases on Oslo and Trondheim.
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