research27
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Building Resiliency in Sierra Leone’s Fishing Communities
Coastal communities in Sierra Leone face threats from climate change, overfishing, and erosion. A new vulnerability assessment helps to pinpoint solutions.
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Researchers Say an 1800s Global Famine Could Happen Again
The Global Famine was one of the worst humanitarian disasters in history, killing as many people as World War II. A new analysis suggests it could happen again, only worse because of climate change.
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The Melting of the Greenland Ice, Seen Up Very Close
A small team of scientists ventures out onto the Greenland ice sheet to study the forces large and small that are accelerating the melting of the world’s second-largest ice mass.
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When Is a Sea Wall a Good Idea?
Scientists at Columbia’s Earth Institute are using simulations to test how well different methods protect coastal areas from hurricanes and sea level rise.
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Rooting Out the Errors in Climate Models To Better Predict Hurricanes
By enhancing climate models, a project will help to improve forecasts of intense hurricanes like Hurricane Florence.
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End of Colombia Conflict May Bring New Threats to Ecosystems
The end of a 52-year internal conflict could spell trouble for the second most biodiverse country in the world. A new study outlines a sustainable path forward.
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Pangolins and the Consumers of Wildlife Trafficking
Earth Institute postdoc Nandini Velho writes about consumers of illegal wildlife products, including the obscure but heavily trafficked pangolin.
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Using Artificial Intelligence To Locate Risky Dams
In the U.S., some 2,000 high hazard dams are in need of repairs. A project from the Columbia Water Center is helping to identify the most hazardous ones.
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A Milestone for Forecasting Earthquake Hazards
In a new study, researchers report that their physics-based model of California earthquake hazards replicated estimates from the state’s leading statistical model.

The first Earth Day in 1970 ignited a movement to stop polluting our planet. This Earth Month, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.