Health22
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Nothing to Sneeze At: How Climate Change Could Make Your Allergies Worse
As the world warms, plants may benefit but pollen allergies will likely get worse.
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By Cutting Ozone Pollution Now, China Could Save 330,000 Lives by 2050
Climate change could worsen China’s already bad ozone pollution problem — but a new study shows that it doesn’t have to be that way.
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The Right Way to Host a Vaccine Debate
Scientists often have a disadvantage during vaccine debates. Fortunately, one Facebook group has found a solution.
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Breaking Down the Anti-Vaccine Echo Chamber
The rhetoric around vaccination is generally black and white: vaccines are good or vaccines are bad. But now more than ever, it’s important to find ways to communicate across the divide.
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Study Identifies Better, Cheaper Ways to Stem Arsenic Poisoning in Bangladesh
Some solutions are over 100 times cheaper than others, costing as little as $1 per person.
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A Case Against Vaccine Religious Exemptions
It is time for states to change their laws so that fringe religious objections do not get in the way of protecting the safety of children and people with compromised immune systems.
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High School Students in Peru Discover Lead Contamination Hotspots
Equipped with a field testing kit originally developed within Columbia’s Earth Institute, the “Lead-Free Kids Peru” project has tested hundreds of soil samples for the toxic metal — and dug up some startling results in the process.
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Data Visualization: World Happiness Trends
Could the number of women in a nation’s government have an impact on its happiness? Can air quality effect the mood of a population? Do trains make people happier? Explore World Happiness Report data and trends that might also contribute to a country’s overall well-being.
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Mining Pollution Limits Access to Clean Water in Papua New Guinea
A new report documents the social, environmental, economic, and health impacts of gold mining in Porgera, Papua New Guinea.
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
