COP29 approved a long-awaited rulebook for carbon markets as vulnerable countries pushed for a bigger slice of a new finance goal, disrupting talks

The petroleum-laden dust has settled on this year’s United Nations climate summit, COP29, held over the past fortnight in Baku, Azerbaijan. Climate scientists, leaders, lobbyists and delegates are heading for home.

The world approved a bitterly negotiated climate deal on Sunday (Nov 24) but poorer nations most at the mercy of worsening disasters dismissed a US$300 billion a year pledge from wealthy historic polluters as insultingly low.