US Emissions of the World’s Most Potent Greenhouse Gas Are 56 Percent Higher Than EPA Estimates, a New Study Shows

While emissions of sulfur hexafluoride (SF6), the world’s most potent greenhouse gas, have fallen sharply in the U.S. in recent decades, actual emissions are significantly higher than the official government estimates, a new study concludes. Across the United States, 390 metric tons of SF6 were emitted into the atmosphere in 2018, the most recent year […]

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