201525
-
Spontaneous Clumping of Tropical Clouds
If you take a look at nearly any satellite image of clouds in the tropics, you’ll notice that the clouds tend to be organized into clusters. One specific type of cloud organization called “self-aggregation.” Self-aggregation is the tendency of tropical clouds to spontaneously clump together, solely due to interactions between the clouds and the surrounding…
-
Impact Partnerships, with Return on Investment
Philanthropy has evolved dramatically in recent years, changing the way individuals, organizations and foundations support the causes that concern them most. One manifestation of this evolution includes an array of sophisticated methods of investing in social causes while expecting a return, known as impact investing.
-
Michael Gerrard to Head Institute Faculty
Columbia Law School Professor Michael B. Gerrard, director of the Sabin Center for Climate Change Law, has been named chair of the faculty of the Earth Institute.
-
The Hidden Stresses of Drought
“Drought affects the economy, water supply, lifestyle, and agricultural productivity. The downstream consequences on humans that are facing these threats, including loss of jobs and daily lifestyle challenges, become overwhelming.”
-
Complicate to Simplify: Lessons from Complexity Science
What our team found at this school in the Bronx is what we see in many intractable social problems. They spring from a complex constellation of ills, and the longer they last the more complicated they get. And the more simple they seem from the inside.
-
Where is Solar Power Headed?
To have a shot at curbing the worst impacts of climate change, we need to extricate our society from fossil fuels and ramp up our use of renewable energy. Where does solar energy stand today, and where does it need to go in order for us to make the transition to renewable energy?
-
Head for the Hills
While we spent much of our time examining corals and swamps, studying sea level and storms, we became fascinated by a simple question: How did the hills of Exuma form?
-
Coal Miners, Extractive Industries, and a Sustainable Economy
The impact of new technologies on jobs is unavoidable, and not all of the news is bad. Many old jobs are destroyed but many new jobs are created. The problem is that with weak unions, global competition and inadequate wage regulation, some of the new jobs are lower paid than the old jobs.
-
Conflict Resolution in the Arab World: a Knowledge-Sharing Agenda
In 2005, colleagues working in conflict resolution and peace-building in Iraq, Saudi Arabia, Israel, Palestine and Syria approached Columbia University’s International Center for Cooperation and Conflict Resolution with a request for science-based resources on constructive engagement made available in Arabic.
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
