The map shows 'moving to work and escape poverty': Migration between and inside world regions from 1995 to 2004. Colors show regional migratory balance (surplus or deficit), arrows show major movements between and inside regions.
The graph shows 'travelling for leisure': trends in number of tourists since 1950 and projections to 2020.
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).
On very hot days use public transport rather than your car.
Car exhaust emissions react with sunlight and heat to cause polluting gases such as tropospheric ozone. This is the main ingredient of poor air quality and photo-chemical smog, which can cause breathing difficulties. To find out the level of ozone pollution across Europe, go to EEA's Live Ozone Map.
More green tips