28 Global Recommendations on Nationality and Statelessness in the Context of Climate Change PART A 4. N  ATIONALITY AND THE CONTINUITY OF STATEHOOD IN THE CONTEXT OF SEA-LEVEL RISE AND LOSS OF TERRITORY Global Recommendations on Nationality and Statelessness in the Context of Climate Change PART A 4. NATIONALITY AND THE CONTINUITY OF STATEHOOD IN THE CONTEXT OF SEA-LEVEL RISE AND LOSS OF TERRITORY 4.4 Likewise, in its Advisory Opinion on the Obligations of States in respect of Climate Change, the International Court of Justice (‘ICJ’) notes that ‘once a State is established, the disappearance of one of its constituent elements would not necessarily entail the loss of its statehood’.26 4.5 Widespread recognition of the ‘continuity of statehood’ is expected to support persons in retaining their nationality and help to prevent statelessness in accordance with human rights standards. States are encouraged to join the growing support for this concept by respecting the continued sovereignty of States facing extreme harms due to climate change. This includes maintaining diplomatic relationships with States particularly affected by climate change-related sea-level rise, and respecting their continued participation in international institutions. Widespread recognition of the ‘continuity of statehood’ is expected to support persons in retaining their nationality and help to prevent statelessness in accordance with human rights standards. 29