The UN climate summit, COP27, opens in Sharm El-Sheikh, Egypt on Sunday amid growing calls for rich countries to compensate poorer nations most vulnerable to climate change. Much of the tension surrounding COP27 is expected to relate to loss and damage – compensation funds provided by wealthy nations to vulnerable lower-income countries that bear little responsibility for climate-warming emissions. Delegates will begin the two-week negotiation process by approving the conference agenda during the opening plenary session, with all eyes on whether wealthier nations agree to have the compensation…