One of the hottest debated topics in environmental pollution policy is PM2.5, particulate matter that is so small it can bypass your respiratory system’s filters and enter your bloodstream. Everyone agrees that it’s a potential problem, but Paul and Peter discuss why a single national standard for PM2.5 might be an expensive mistake that actually hurts public health by misallocating attention and resources.
In conjunction with Regulation Magazine Spring 2025 edition.
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