200915
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Water/commodity series (4)Corn feed consumption: China, US, and India
Among various uses of corn, the three major uses—food, animal feed, and biofuel production—compete in demand. Here we analyzed the percentage of corn for animal feed compared to total domestic consumption of corn (including feed, food, seed, and industrial uses) in US, China, and India.
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Water/commodity series (3)Wheat import/export
We found top three importers and exporters of wheat in 1960, 1970, 1980, 1990, 2000, and 2008.
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Water/commodity series (2)Per capita wheat production: China, US, and India
Using wheat production and population data for China, US, and India since 1960, we analyzed per capita wheat production. Because per capita wheat consumption is fairly stable over time (though it can change a little bit by changing lifestyle, diet, economic status, etc), from per capita wheat production, it can be shown whether a country…
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Water/commodity series (1)Wheat yield: China,US, and India
China shows the biggest improvement in yield over last 50 years; it improved almost by six times, while United States only doubled and India tripled. Although China and India showed very similar yield level in 1960s, China started to take off around early 1970. United States shows a relatively little change in yield and China…
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Improving Lives in Koraro, Ethiopia, Through the Millennium Villages Project
In July 2009 more than 20 people from eight countries set out for the Millennium Village cluster of Koraro, in the Tigray region of northern Ethiopia, to see firsthand the progress and challenges experienced by one of the most remote Millennium Villages. Individuals represented the Earth Institute, Millennium Promise, Millennium Villages project (MVP) sites in…
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Sea Change
Bärbel Hönisch, an expert on ocean acidification at Columbia, will speak after a screening of the film “A Sea Change” this Thursday.
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Shaking Out Some Money
That rumbling you feel is not necessarily a passing subway. New York City and the surrounding region gets a surprising number of small earthquakes, and a 2008 study from the region’s network of seismographs, run by Lamont-Doherty Earth Observatory, suggests that the risk of a damaging one is not negligible. This week, the federal government announced a major upgrade…
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Webcast With Jeffrey Sachs
Tomorrow, Sept. 14 at 10am (EST), Jeff Sachs is participating in a webcast on “Globalization in the Era of Environmental Crisis.” The discussion is part of the Raul Prebisch lecture series and organized by the UN Commission on Trade and Development. Should be very interesting considering the current financial crisis and as a run-up to…
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Designers at Columbia and MIT Promote “Foodshed” Concept
Contributed by Richard Plunz and Michael Conard On September 10th, Michael Pollan, author of “In Defense of Food” and “The Omnivore’s Dilemma” highlighted the work of designers at the Earth Institute’s Urban Design Lab (UDL) in his Op-Ed Contribution to the New York Times, titled “Big Food vs. Big Insurance.” Since 2007, researchers at the…
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