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Today's top stories
The U.S. Supreme Court is set to hear arguments in an important environmental case today. It will consider whether to pause a federal rule obligating states to be a "good neighbor." At the heart of the dispute is a provision of the Clean Air Act that protects people and states subject to pollution that floats downwind from other states. These "downwind states" struggle to meet federal air quality standards, and their residents can face health complications due to pollution from afar.
