This report contains a description of environmental policy tools, gives an overview of post-Normal science (bridge between complex systems and environmental policy), ecological economics, the incommensurability principle, the mulitcriteria evaluation and the NAIDE method (fuzzy information).

This first edition of Environmental signals marks the beginning of a new period in reporting on the environment for policy-makers and the public by the European Environment Agency. Previous reports such as Europe's environment: the second assessment and Environment in the European Union at the...