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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You Asked: Does Carbon Capture Technology Actually Work?
We have the technology to capture and store millions of tons of carbon globally. Now all that’s lagging is the policy.
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What You Should Know About Air Quality Alerts
“It’s a code red day for ozone.” If you hear this on your local news, what does it mean? Are you at risk? Do you know what to do?
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Is City Biking Hazardous to Your Health?
As more and more people take to biking in the city, a new study will look at how much pollution bikers are exposed to, and what effects it might be having on their health.
AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More
