Global carbon emissions in 2026 fall 0.4% to 42.2 billion tonnes amid Iran war shock

Direct fact

In November 2026, the Global Carbon Project reported at the UN climate negotiations in Antalya, Turkiye, that fossil-fuel carbon dioxide emissions fell to 42.2 billion tonnes, a 0.4% drop from 2025.

Key specifics

• The 2026 estimate was 42.2 billion tonnes of CO2 from coal, oil and gas.
• The decline was 0.4% compared with the previous year.
• Oil emissions fell nearly 2%, natural gas fell 0.3%, and coal rose 0.6%.
• The study was published by the Global Carbon Project in Earth System Science Data Discussions.
• The figures were presented at the UN climate negotiations in Antalya, Turkiye, by a team of more than 140 scientists.

Exam lens

Question type: environment report and index-based MCQ, 42.2 billion tonnes, 0.4% decline, Global Carbon Project, Antalya UN climate talks, Strait of Hormuz disruption.