Health4
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Why Ghana Relies Heavily on Used Cars
Used vehicles serve real needs across Africa, but they also contribute to its public health and environmental problems through crashes and pollution.
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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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Tackling Crowd Management in Subways During Pandemics
Columbia researchers are working with the MTA to develop machine learning and traffic models to optimize traffic flow during pandemics.
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Traditional Cookstoves: Fueling a Health and Climate Crisis?
Switching to cleaner cookstoves can save lives, cut carbon emissions, and promote gender equality. At COP27, world leaders should take steps to ensure universal clean cooking access by 2030.
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Aging Populations, Low Economic Development May Amplify Future Air Pollution Health Impacts
Even if pollution goes down and climate change is slowed, deaths from air pollution in some regions may still rise.
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Why We Need to Ban Gas in New York State Buildings
Banning gas connections in new buildings would have significant health benefits, in addition to helping to curb climate emissions.
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Data Dive: NYC Traffic Trends, Street Safety and Public Health
Professor Peter Muennig discusses the state of New York City’s streets, and what could be done to make them safer.
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Safaa Suliman Sees Dental Care as an Integral Part of Public Health
An epidemiology student and pediatric dentist who works with marginalized communities, Suliman wants policymakers to understand the importance of oral health and prioritize it.
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Unraveling the Interconnections Between Air Pollutants and Climate Change
Getting rid of some air pollutants might aggravate global warming. Here’s how.
On Saturday, October 17, 2026 from 10am to 4pm, Lamont-Doherty Earth Observatory Open House—our biggest, best science fun and discovery event of the year—will take place on our beautiful campus in Palisades, NY. Mark your calendar and join us for this free, family-friendly celebration of science! RSVP Today!
