This Decision sets forth at the Community level a programme of action on the environment, establishing the key environmental objectives to be attained. Such objectives shall respond to the key environmental priorities to be met by the Community in the following areas: (a) climate change; (b) nature and biodiversity; (c) environment and health and quality of life; (d) natural resources and wastes. The programme shall be implemented in accordance with the polluter-pays principle, the precautionary