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).
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Turn down your hot water thermostat
– it doesn't need to be set higher than 60 ºC. The same goes for the boiler of your central heating. Remember, 70 % of the energy used by households in the EU is spent on heating homes and another 14 % – on heating water.
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