General98
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El Niño: The Basics
Forecasts suggest we’re looking ahead to an El Niño event this year—a warming of the eastern and central Pacific Ocean around the equator that can affect weather patterns around the globe. But what exactly is an El Niño event, how strong do forecasters think it’s likely to be, and just how will it affect our…
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Australopithecene Dental Calculus
Across a mixed landscape, Au. sediba plods Sometimes on two feet, and sometimes on four, Munching on fruits and leguminous pods, Nuts and some seeds … C3 foods galore!
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For a Wind-Powered City, Heat Pumps Are Key
Replacing conventional building boilers with electric heat pumps in New York City buildings could substantially increase the viability of renewable energy use in the city, according to a recent study from researchers from the Earth Institute’s Sustainable Engineering Lab.
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Our Fiscal Year Ends June 30: Donate Now to Help Us Finish Strong!
The end of our fiscal year is just one week away and we need your support more than ever. This year, the generosity of Earth Institute supporters allowed our award-winning scientists and researchers to pursue groundbreaking initiatives in the fields of earth and environmental sciences, ecology, engineering and architecture, law, medicine and public health, economics,…
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MPA in Environmental Science and Policy Welcomes Class of 2015
The newest of class of students in the Master of Public Administration in Environmental Science and Policy program have arrived on the Columbia campus. Following their orientation on May 27, the students began their summer schedule full of science courses.
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Making Progress on Deforestation
In 2005, Brazil was losing more forest each year than any other country. Today, Brazil has reduced deforestation in the Amazon by 70 percent. Seventeen countries across four continents have also shown progress in reducing tropical deforestation. But there is still a long way to go.
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Study: Reforming the Port Authority and the MTA
Earth Institute students took a hard look into financial and administrative problems plaguing the MTA and Port Authority of New York and New Jersey, and came up with suggestions for more sustainable financing and more efficient operations.
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Dancing in the Darkness
In deep darkness, cunning lights are softly luring prey, Drawing closer to the glow, only some will flee … Subtle bodies, clear as glass, with organs on display, Exquisite dances only certain piercing eyes can see.
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A Quick Retreat from ‘Mountain Lion’ Savannah
On their fourth day on Mount Chirripo, Lamont’s Max Cunningham and Mike Kaplan explore an unusual valley and find the spot where a lion apparently killed someone.
COP31, the 2026 United Nations Climate Change Conference, aims to advance dialogue, strengthen consensus, and accelerate climate action on a global scale. From November 9–20, 2026 in Antalya, Türkiye, heads of state, ministers, scientists, business leaders, and civil society will gather to advance efforts in emission targets, climate finance, and adaptation and resilience. Once again, our experts, students, and global thought leaders from Columbia Climate School and across Columbia University are contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More
