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Putting People and Planet Before Profits: A Q&A With Martin Dietrich Brauch
The senior legal and economics researcher at the Columbia Center on Sustainable Investment wants to overhaul investment policies in order to fight climate change and achieve sustainable development goals.
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Defying Some Expectations, Southern Ocean Did Not Increase Carbon Uptake in Ice Ages
In much of the world ocean, there is evidence that iron-rich dust blowing from land has fertilized algae during cold period, increasing uptake of carbon from the air, and keeping things frigid. Not here, says a new study.
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Sustainability Start-ups: Creativity in the Transition to An Environmentally Sound Society
I am amazed by the work I’ve seen by my students and graduates as they translate their environmental principles into practical sustainability practice in a world desperate for innovation.
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Sustainable Investing: How Effective Is It Really?
Can your personal investments really help to fight climate change and advance sustainable development? The real-world impacts are inconclusive.
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Peggy Shepard to Speak at Columbia Climate School Graduation
Environmental justice advocate Peggy Shepard will deliver the keynote address at Columbia Climate School’s inaugural Class Day ceremony on May 13.
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At 90, Still Studying Ancient Pollen
Lamont’s Linda Heusser turned 90 years old on April 12, and the only birthday present she really wanted was another sediment core to study.
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Glacier Retreat in the Andes is Bankrupting a Billion Dollar Corporation
The developer of a controversial hydroelectric project in Chile has filed for bankruptcy, blaming Andean glacier retreat and droughts for low water flows.
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Space Station Instrument Provides Newly Detailed Look at Plants’ Drought Resistance
Plants in the same groups often show similar drought resistance independent of the climate in which they grow.
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How ACToday Builds a Global Community of Climate-Trained Decision Makers
In the last year, project members trained more than 1,600 professionals and graduate students on integrating climate knowledge into food planning and policy, to help combat hunger.

You Asked invites you to share your most pressing questions about climate, science, and sustainability. Lamont-Doherty Earth Observatory and Columbia Climate School experts will respond with clear, evidence-based answers. Pose your questions and story ideas!
