Modification of the EEC, EURATOM and ECSC treaties and introduction of a Title VII dealing with environment Objectives: Inter alia, to add to Part Three of the EEC Treaty a Title VII empowering the Community to act in environmental matters with a view to preserving, protecting and improving the environment, to contributing towards protecting human health and to ensuring a prudent and rational utilisation of natural resources (art. 25). Summary of provisions: Parties agree to base their action relating to the environment on the following principles: preventive action, environmental damage to be rectified at source, and the 'ppp' (polluter pays principle). In preparing such action, Parties further agree to take into account, inter alia, scientific and technical data, potential costs and benefits of action or lack thereof, and the balanced development of the Community's regions. All action relating to the environment taken by the Community is to be done in accordance with the subsidiarity principle. Member States of the Community are also to co-operate with third countries and with the relevant international organisations.