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Facing the Food and Water Challenges of the Future
The global population, now 7 billion, is expected to reach 9 billion by 2050 and will require 70 percent more food than we are producing today, and much more water for agriculture, drinking and industry. Will we have enough water to meet the demand?
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Study Rainforest Ecology in Puerto Rico with SEE-U
The SEE-U Puerto Rico course provides students with a total immersion experience into the ecology and dynamics of a fragile and threatened environmental system.
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Changing Ocean Chemistry: the Poem
A study published earlier this month indicated that due to manmade emissions of carbon dioxide, the earth’s oceans are tipping toward acidity faster than at any time in the last 300 million years. It made world headlines, and this week the study was the subject of Sunday New York Times editorial, “Changing the Chemistry of Earth’s Oceans.” And now, the poem.…
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At the Bottom of the Bottom of the World
As we in North America emerge from a remarkably mild winter, the brief and sunny summer in the world’s deep south is drawing to a rapid close. Antarctica’s days are becoming shorter, and come the vernal equinox the South Pole will enter into its yearly hibernation—six months of dusk and night. Researchers from Columbia University…
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Class Trip – to Bangladesh
To help my students in a class on hazards of Bangladesh better understand the country, I am taking them there to experience Bangladesh for themselves.
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Our Newest SEE-U Field Site in Jordan
In partnership with Columbia’s Global Center in Amman, the Columbia University Middle East Research Center, undergraduate students of all majors have the unique opportunity to study ecosystems and environmental sustainability in Jordan.
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Climate News Roundup: Week of 3/04
Climate Change May Kill OFF 900 Bird Species, Treehugger, Mar 7 Scientists say climate change is likely to drive up to 900 bird species into extinction by the end of the century unless additional conservation measures are taken. Tropical bird species are particularly vulnerable because they are adapted to living in a stable climate, where…
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A Controversy: Fracturing in the Marcellus Shale
The organic-rich source rock of the Marcellus Shale is an on-going target for massive gas extraction. Advances in horizontal drilling and hydraulic fracturing, or hydrofracking, have made this extensive area of Marcellus black shale one of the largest unconventional and widely controversial gas operations in the United States today.
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Climate Services: Bring In Many Perspectives, Early On
What’s a “climate service”? Depends on whom you ask, which is why it is crucial to bring as many different perspectives to the table, says Guy Brassuer, head of Germany’s Climate Service Center.

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
