The enlargement has many dimensions, which represent not only a challenge but in the first place an opportunity for environmental gains for the EU, for its new member States and for the countries staying outside the EUregional challenge Twenty-five countries will soon be applying the same environmental policies, standards and rules, and many of the most environmentally active UNECE member countries will be part of the EU.
Il comporte de nombreuses dimensions, qui posent certes problème mais, surtout, offrent l'occasion de réaliser des progrès dans le domaine de l'environnement, que ce soit pour les nouveaux États membres ou pour les pays qui n'appartiendront pas à l'Union.