Factors influencing decision-making of individuals, in as far as their actions within private sphere have effects on environment. Backgrounds of environmental behaviour / selective use of car / use of detergent without phosphate / buying bottles with deposit / use of freezer / action directed behaviour / perception of several aspects of environmental policy / interest in environmental policy / confrontation with environmental policy in occupation / expectations regarding environment policy in the next 20 years / personality / information on environmental policy through mass media, school, family. Background variables: basic characteristics/ residence/ household characteristics/ occupation/employment/ education/ social class/ readership, mass media, and 'cultural' exposure