In the framework of the Northern Dimension, NIB participates in the Environmental Partnership (NDEP) as lead bank for a number of projects under implementation. The purpose of the NDEP is to support the financing of environmental projects with cross-border effects in the Baltic Sea region, the Barents region and Northwest Russia. Projects approved for the NDEP can obtain grants from the NDEP support fund, which are blended with loans.

Furthermore, NIB is engaged in the Northern Dimension Partnership on Transport and Logistics (NDPTL), which is also hosted by NIB. The purpose of this partnership is to enhance regional cooperation and support the implementation of transport infrastructure and logistics projects. Through the NDPTL Support Fund, grant assistance can be provided for project preparation.

NIB was elected as a member of the Executive Committee of the Green Bond Principles, an international group of issuers, investors and intermediaries in the green bond market. Furthermore, NIB was appointed by the European Commission as an observer to the newly formed High-Level Expert Group on sustainable finance.