Agriculture35
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Green Certified Restaurants
According to the 2012 Zagat dining survey, New Yorkers eat out an average of three times a week. Since people in the city eat out so often, they may be able to reduce their carbon footprint by supporting more green certified restaurants.
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New Program in Tropical Biology and Sustainability
The Tropical Biology and Sustainability Program will allow students the opportunity to study ecology, evolutionary biology, conservation biology, environmental engineering, and sustainable development in the environmental hub of East Africa.
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Investigating Impacts of Increased Fertilizer Use in Africa
The rains came late this year in Kenya. I was there for several months in the winter and spring to conduct research for a post-doctoral fellowship, examining the consequences of increases in fertilizer use on soil fertility, maize yields, nitrogen gas emissions and nitrogen leaching losses.
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Water Center, PepsiCo Foundation Present Sustainable Water Successes at Rio+20
The rural communities of Ceará, Brazil, had long been accustomed to drought and the problems that result: food insecurity, death of livestock, and conflict over scarce water resources. While Ceara’s problems may have been typical of a water scarce region in the developing world, the work of the Columbia Water Center and PepsiCo Foundation has…
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Water Shortages in Jordan
By Melissa von Mayrhauser Jordan is the third most water scarce country in the world, while its population is rising at approximately 3% annually. Columbia’s SEE-U Jordan program is investigating the reasons behind the country’s lack of water security while also considering possible solutions. We dove into our studies by swimming in the Red and…
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Daniel Hillel, Originator of High-Efficiency Irrigation, to Receive World Food Prize
Daniel Hillel, an adjunct senior scientist at Columbia University’s Earth Institute, has been awarded the World Food Prize for his work in conceiving and promoting water-saving methods that have increased crop production on arid lands in 30 countries.
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Daniel Hillel, Pioneer in High-Efficiency Irrigation, to Receive World Food Prize
A Career in 30 Nations, From the 1950s to Today
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Goals for Rio: A Path to Sustainability
In an article published in The Lancet, Earth Institute Director Jeffrey Sachs outlines his own ideas for sustainable development goals, and how how these goals can build on the Millennium Development Goals, the UN’s set of targets that aim to reduce extreme poverty and boost social well-being in many other ways by 2015.
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Photo Essay: In the Heart of Dryness
Explore the country of Niger in this visual essay while learning about the importance of seasonal forecasting to the Sahel, one of the poorest and most climate-vulnerable regions in the world.
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
