fine particulate matter
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People Like to Breathe: The Importance of EPA’s New Air Particulate Proposal
In the United States, we need strong pollution control standards that are enforced carefully, precisely, and with a deep understanding of the pace of operational change that is feasible for a particular business or locality.
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A Major Source of Air Pollution: Farms
Global Study Shows How Agriculture Interacts With Industry
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The Changing Face of Air Quality
Looking at regional differences in PM2.5 concentrations gives us a sense of the changing face of air quality throughout the world.

Columbia Climate School is bringing bold ideas, leading experts, and groundbreaking research to Climate Week NYC. Explore our events, stories, and updates as we help shape the conversation on climate action across New York City.
