Group of 20 ministers are likely to end talks this week without an ambitious deal on climate change, another setback in the fight against rising temperatures ahead of key negotiations this year. Energy and environment ministers at a G-20 meeting in Naples, Italy, are stuck on a number of issues, according to several officials and diplomats familiar with the discussions. They will kick a final decision to a meeting of their leaders in October. The parties haven’t been able to agree on specific actions and firm timetables needed to reach net-zero global emissions by 2050 and keep global warming at 1.5 degrees Celsius, according to a draft communique and the officials. Despite major net-zero commitments from the world’s largest polluters in the past 12 months — and a backdrop of dramatic weather events — two people familiar with the talks said it would be extremely difficult to reach a […]