Bars represent average annual concentrations over a limited number of monitoring stations along busy roads in major European cities (Vienna, Prague, Paris, Berlin, Athens, Krakow, Bratislava, Stockholm and London NOX, and Prague, Copenhagen, Berlin, Reykjavik, Rome, Bratislava, Stockholm and London PM10), error bars represent the highest annual concentration measured at one single monitoring station
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Switch the lights off before going on holiday.
To save electricity, before you leave don’t forget to unplug as many appliances as is possible. If the appliances are still plugged in, they continue to use up energy. even if you switch them off.
More green tips