One of the big issues coming up in future climate negotiations is that of Loss and Damage. E.g. developed countries helping cover the need of developing countries ability to adapt to climate change.
Read more about it here in the Guardian, where Vanuatu has started a legal process for its rights to support.
https://amp-theguardian-com.cdn.ampproject.org/c/s/amp.theguardian.com/world/2022/may/11/vanuatus-push-for-legal-protection-from-climate-change-wins-crucial-support