Opinion of the Committee of the Regions on: – the ‘Communication from the Commission to the Council, the European Parliament, the Economic and Social Committee and the Committee of the Regions on the sixth environment action programme of the European Community ‘Environment 2010: Our future, our choice’ – The Sixth Environment Action Programme’, and – the ‘Proposal for a Decision of the European Parliament and of the Council laying down the Community Environment Action Programme 2001-2010’