COP31: What issues are on agenda as UN climate summit begins?

The UN Climate Change Conference (COP31) is expected to centre on how to curb ever-rising greenhouse gas emissions, which experts say are overheating the planet. Courtesy of UN
The UN Climate Change Conference (COP31) is expected to centre on how to curb ever-rising greenhouse gas emissions, which experts say are overheating the planet. Courtesy of UN
Michel Nkurunziza