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Focus on the ‘Forgotten Greenhouse Gas’ Intensifies as All Eyes Are on the U.S. and China to Curb Pollution

Summary

Nitrous oxide (N2O), a potent but often overlooked greenhouse gas, has drawn increased attention as global efforts to combat climate change intensify. Responsible for significant ozone depletion and rapidly rising emissions, N2O is 273 times more potent than carbon dioxide. The U.S. and China, together accounting for about one-third of N2O emissions, are key to reducing industrial sources, particularly from chemical plants. Proven technologies can curb these emissions at low cost, but global policy efforts, such as expanding the Montreal Protocol, are needed. Advocates urge regulatory action, stressing the urgency as N2O emissions surge.

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