"The concept of interest in administrative litigation (personal interest, collective interest, actio popularis) especially in environmental matters".

• Questionnaire (En)
• General Report (En)
• Belgium (Fr)
• Denmark (En)
• France (Fr)
• Germany (Fr)
• Greece (Fr)
• Ireland (En)
• Italy (En)
• Luxemburg (Fr)
• The Netherlands (En)
• United Kingdom (En)