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SOx (upper line) trend is significantly different from last year as emissions from international shipping for Spain are this year included. This has made SOx trend more stable from 1990 to 2002 while increasing thereafter, reaching 1990 levels in 2007. Emissions decreased since 2007, reducing 1990 levels by 14% in 2010.
If you run a business and need to deliver mail and parcels regularly around town, use a bicycle courier service if one is available. Bicycles bypass traffic; are quick; and you will contribute to the improvement of urban air quality in your area.
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