In the air quality directive (2008/EC/50), the EU has set two limit values for sulphur dioxide (SO2) for the protection of vegetation within the zones designated by member states: the SO2 annual mean value may not exceed 20 micrograms per cubic metre (µg/m3) and the SO2 mean value for the winter period (1 October to 31 March) may not exceed 20 micrograms per cubic metre (µg/m3).
EEA standard re-use policy: unless otherwise indicated, re-use of content on the EEA website for commercial or non-commercial purposes is permitted free of charge, provided that the source is acknowledged (http://www.eea.europa.eu/legal/copyright). Copyright holder: European Environment Agency (EEA).
At the office, encourage your colleagues to re-use the other side of paper and print less by archiving their emails and attachments. You can also try and create paperless habits. Some studies show that office paper consumption is rising by 20 % per year and web-based technology is actually increasing the printing of documents. On average each worker uses about 50 sheets of A4 per day. Must you print?
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