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The discussion was heated as the U.S. Supreme Court heard arguments in its first lawsuit on climate change. The Justices are examining the impact of greenhouse emissions from cars and trucks and will ultimately decide whether the Environmental Protection
Living on Earth’s Jeff Young reports on what some call the most important environmental case the Supreme Court has ever heard. The Justices will decide if greenhouse gases from autos and trucks must be considered pollutants, and whether the Environmental Protection Agency has to regulate them.