Technical Assistance Facility for Infrastructure for Resilient Island States (IRIS) The programme will support a new technical assistance facility for Small Island Developing States (SIDS) to develop and deliver investment-grade infrastructure projects which are resilient to the impacts of climate change. Support will be available to Small Island Developing States (SIDS) in the Caribbean, Pacific and Indian Ocean, targeting the most disadvantaged Small Island Developing States (SIDS), including Overseas Territories and Commonwealth members.