What are the key outcomes of Cop27 climate summit?

A demonstrator holds a sign reading "fossil fuels kill!" at the COP27 U.N. Climate Summit in Sharm el-Sheikh, Egypt.

Loss and damage 

Developing countries have been seeking financial assistance for loss and damage — money needed to rescue and rebuild the physical and social infrastructure of countries devastated by extreme weather — for nearly three decades. Finally achieving agreement on a fund is a major milestone. Now comes the difficult part — the fund must be set up, and filled with cash. There is no agreement yet on how the finance should be provided and where it should come from.