A coalition of 10 groups from across the nation, including Indiana, plans to sue the U.S. Environmental Protection Agency to update three-decade-old regulations on industrial flare emissions. Industrial flares are used to burn off organic pollutants in waste gases like butane and in natural gas emitted by facilities all around Indiana and other parts of the U.S. But not all of the pollutants burn up during flaring, resulting in the emission of greenhouse gases like methane and carbon dioxide, as well as carcinogens like volatile organic compounds and hazardous air pollutants.
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