BAKU, Azerbaijan: Pay now to help poorer countries cope with climate change or pay more later, negotiators were warned on Thursday (Nov 14) as experts said poor states need at least US$1 trillion per year by the end of the decade to move to greener energy and protect against extreme weather. Money is a central focus of the COP29 climate talks being held in Azerbaijan and the success of the summit is likely to be judged on whether nations can agree a new target for how much richer nations,