hypoxia
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Cordilleran Ice Sheet Retreat Caused Volcanic Eruptions, Deoxygenation Events 10,000 Years Ago
New research shows that retreat of an ice sheet in the Pacific Northwest led to many volcanic explosions and ocean areas with low oxygen that threatened the health of marine ecosystems.
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Energy, Agriculture, and the Environment: Dead Zones and the Oil Spill in the Gulf of Mexico
Catastrophic, tragic, disastrous: these are all words that have been used to describe the BP oil spill in the Gulf of Mexico. It is impossible to deny that these words apply – thick, goopy crude has already coated the beaches and estuaries of the Gulf, contaminating more than 120 miles of coastline. The spill is…
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Agriculture and its Discontents: Greenhouse Gas Emissions
In 1943, Norman Borlaug began his research into new varieties of wheat that could feed the burgeoning population of Mexico. Invited by the Mexican government and funded largely by international philanthropic organizations, Borlaug’s research began what we now refer to as the Green Revolution. Over the next 13 years, Mexico became agriculturally self-sufficient, and in…

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
