Global Fossil Fuel Emissions Projected to Fall 0.4% in 2026 Amid Iran War Oil Shock
Source Summary
The Global Carbon Project forecasts global fossil fuel CO2 emissions will decline 0.4% in 2026 to 38.2 billion tons, driven by reduced oil consumption from the Iran war and disruptions to Hormuz trade routes. Increased solar and wind power generation also contributes to the projected decline. The research was released on Tuesday.
Why it matters
A measurable decline in global emissions, even if modest, demonstrates how geopolitical disruptions and renewable energy expansion can affect global carbon trajectories.
What remains uncertain
The projection assumes the Iran war and Hormuz disruptions continue to affect oil markets as modeled; actual geopolitical developments or energy market shifts could alter the outcome.



