Member States shall keep the Agency informed of the main component elements of their national environment information networks, especially in the priority areas referred to in Article 3(2), including any institution which in their judgment could contribute to the work of the Agency, taking into account the need to ensure the fullest possible geographical coverage of their territory.
Member States shall, as appropriate, cooperate with the Agency and contribute to the work of the European Environment Information and Observation Network in accordance with the work programme of the Agency by collecting, collating and analysing data nationwide.
Member States may also join to cooperate in these activities at a transnational level.