- It is an intergovernmental organisation of low lying coastal and small island nations.
- Established in 1990
- Purpose of the alliance is to consolidate the voices of Small Island Developing States (SIDS) to address global warming
- As the existence of many AOSIS states are put at risk by climate change AOSIS has threatened lawsuits
- AOSIS has a membership of 44 states
- India is not a member
- In Indian ocean 4 states are member :
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- Comoros
- Maldives
- Mauritius
- Seychelles