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War in Iran led global emissions to fall this year, research finds

Researchers said the drop is driven mainly by an oil price shock from the Iran war, while land-use emissions still push total CO2 higher.

  • Global fossil-fuel CO2 emissions decreased 0.4% this year, according to scientists from the Global Carbon Project, a slight decline primarily driven by oil supply shocks stemming from the war in Iran.
  • The war in Iran closed the Strait of Hormuz, a vital shipping artery for petroleum, causing oil emissions to drop nearly 2% while natural gas fell 0.3% and coal rose 0.6%.
  • Despite the fossil-fuel drop, overall carbon emissions rose 1% due to deforestation and human-caused peat fires increasing faster than fossil fuel burning decreased, with total emissions reaching 42.2 billion tons.
  • India saw fossil-fuel pollution surge 4.4% this year, while major polluters including China, the United States, Europe, and Japan showed about a 1% drop in emissions, according to the study.
  • Experts debate whether this decline represents a permanent shift or a temporary response to oil shocks, particularly as global emissions continue at a rate of about 1,335 tons per second.
Insights by Ground AI

272 Articles

Lean Left

Those produced by fossil fuels have decreased slightly due to the price of oil and the increasingly low costs of renewables

·Italy
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Left

Global CO2 emissions will reach 43.3 billion tons by 2026. Fossil decline is not enough to curb a crisis that requires action.

Lean Right

The world has burned a little less natural gas and oil in the current year than in the previous year. Although other emissions have increased in the meantime, the expert gives rise to hope.

·Berlin, Germany
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Yale University broke the news on Monday, November 9, 2026.
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