however the institutional setting of the agencies under its supervision was subject to significant adjustment as part of the programme for restructuring the government s central administration prace the purpose of this programme launched by the central government in was to increase the coherence and efficiency of public administration the apa is the principal body responsible for monitoring and implementing environmental policies with regard to climate change air pollution and air quality noise reduction and waste management in the area of nature protection and biodiversity conservation reorganisation of the institute for nature conservation and biodiversity icnb has included the establishment of five new regional departments for management of classified areas dgacs in the institute for the regulation of water and solid waste irar responsible for regulating water and waste services was reorganised into the water and waste services regulation authority ersar