Climate144
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How the U.S. Might Fulfill Its Paris Pledge Without the White House
States, cities, and businesses are trying to pick up the federal government’s slack to fight climate change. How big of a difference can they make?
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How Climate Change Will Impact Investors
A new report explores how advances in climate science can inform near-term investments in the global economy.
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Columbia Landscape Architect Named MacArthur ‘Genius’
Kate Orff designs urban environments for the future by combining ecology, climate dynamics, and community.
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Former Head of EPA Looks to Businesses, Courts, and Citizens to Fight Climate Change
In a lecture at Columbia Law School, Gina McCarthy sharply critiqued the Trump administration’s environmental policies, but offered hope that grassroots movements and other branches of government can make a difference.
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Mumbai May Be Vulnerable to Future Hurricanes
If a serious cyclone were to strike Mumbai, the results could be catastrophic, says a study underway at Columbia.
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World Leaders Discuss a Global Pact for the Environment
A conference at Columbia University yielded consensus on the need for an international environmental agreement, and advanced discussion on what that agreement could look like.
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Photo Essay: Climate Change, Sea Level and the Vikings
A thousand years ago, powerful Viking chieftans flourished in Norway’s Lofoten Islands, above the Arctic Circle. In an environment frequently hovering on the edge of survivability, small shifts in climate or sea level could mean life or death. People had to constantly adapt, making their living from the land and the sea as best they…
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What the Vikings Can Teach Us About Adapting to Climate Change
The rise of the Vikings was not a sudden event, but part of a long continuum of human development in the harsh conditions of northern Scandinavia. How did the Vikings make a living over the long term, and what might have influenced their brief florescence? Today, their experiences may provide a kind of object lesson…
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Quiz: How Much do You Really Know About Climate Change?
The answers to some of these questions may surprise you.
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
