air quality
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What NYC Got Right During the Wildfire Smoke Emergency, According to an Expert
Atmospheric chemist V. Faye McNeill explains our new, smoky normal—and how to stay safe.
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Wildfire Smoke Returns: What to Know About This Week’s Air Quality
Air pollution expert Dan Westervelt discusses this summer’s wildfires and resulting air quality in New York City and beyond.
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The Environmental Cost of War
Daryush Nourbaha, an M.S. in Sustainability Science alum, reflects on the heavy toll of global conflict.
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Get Ready for Smokier Air: Record 2023 Wildfire Smoke Marks Long-Term Shift in North American Air Quality
A new analysis of air quality data from the past 70 years shows a broader, continent-wide trend toward smokier skies.
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How Congestion Pricing Will Benefit New York City
Congestion pricing is already delivering results, but what can New Yorkers expect in the months to come?
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Planting Some Tree Species May Worsen, Not Improve, NYC Air, Says New Study
New York is planting large numbers of trees in order to improve the city’s livability. But emissions from some species interact with tailpipe and building pollutants to form smog.
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The Fire This Time: Facing the Reality of Climate Change
While our short-term response to extreme weather must remain on adaptation, in the long run, we need to understand the reality of the warmer planet we live on and work to mitigate climate change.
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Faye McNeill Combats Air Pollution, From the Molecular to the Global Scale
The first woman to earn tenure in Columbia’s chemical engineering department, McNeill is working for cleaner air in developing countries.
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Data Scientist Garima Raheja Is Addressing the Environmental Justice Issues of Air Pollution
She’s using air quality sensors to measure how air pollution impacts disadvantaged people in the U.S. and sub-Saharan Africa.
You Asked invites you to share your most pressing questions about climate, science, and sustainability. Lamont-Doherty Earth Observatory and Columbia Climate School experts will respond with clear, evidence-based answers. Pose your questions and story ideas!
