A call for less talk and more action on luxury emissions

News reports of the world's worst polluters often point to a specific handful of countries at fault. However, the focus on sovereign states as the underlying cause of carbon emissions and climate change misses an important class-based dynamic at work, says Shelley Welton, Presidential Distinguished Professor of Law and Energy Policy and Penn Carey Law's new resident climate and energy law authority. Welton also holds an affiliation with the Kleinman Center for Energy Policy.