Iran War Unexpectedly Drove Down Carbon Emissions This Year
Global fossil fuel emissions are on track to fall slightly in 2026, as disruptions caused by the U.S. war with Iran forced many countries to cut back on their use of oil and gas, researchers said on Monday. Nations are projected to emit roughly 38.2 billion tons of planet-warming carbon dioxide by burning oil, gas and coal for energy this year, according to data from the Global Carbon Project . Those sources are the largest contributors to global warming.
That’s roughly 0.4 percent less than in 2025. The dip was driven partly by fighting in the Middle East and the closure of the Strait of Hormuz, as well as by the war between Russia and Ukraine. Both conflicts have caused global prices for crude oil, natural gas, gasoline and diesel to soar, and many nations have responded by using less oil and gas and shifting to domestic alternatives, including coal or renewable energy. Globally, emissions from oil consumption are expected to drop nearly 2 percent this year, while emissions from natural gas will decline roughly 0.3 percent.
By contrast, carbon dioxide emissions from burning of coal are expected to rise roughly 0.6 percent, thanks to increased consumption in places like China and India. (Even though coal pollutes more than oil or gas, the uptick in coal consumption was smaller in comparison.) The drop surprised analysts, who had been anticipating before the war that emissions would rise slightly this year. “I would call it unexpected,” said Glen Peters, a senior researcher at the CICERO Center for International Climate Research in Oslo and one of the authors of the report.
“It’s pretty rare to see a drop in oil demand this big.” Carbon dioxide emissions from fossil fuels Source: Global Carbon Project Brad Plumer/The New York Times We are having trouble retrieving the article content. Please enable JavaScript in your browser settings. Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times. Thank you for your patience while we verify access.
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