202110
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In New Project, Millions of Farmers Will Help to Improve Insurance Against Climate Disasters
Until now, most index insurance did not have the capacity to tap the wisdom of crowds of farmers themselves.
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Leaving No One Behind? How Development Finance Can Better Reduce Poverty
Investment projects often promise to reduce poverty, but they can have the opposite effect. To improve outcomes, communities need more support and information.
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Let’s Come Clean: The Renewable Energy Transition Will Be Expensive
Europe’s surging energy prices show that switching to renewables can be costly. Politicians need to be honest about those costs.
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The Columbia Climate School’s Commitment to Diversity, Equity, Inclusion and Anti-Bias
As we build a new school, we have a unique opportunity to cultivate a diverse, equitable and inclusive community. Here’s how we plan to do that.
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Loss of Fire Lookouts Spurs Questions About Historic Preservation
The rapid disappearance of historical fire lookouts across the United States is pushing communities to reevaluate the role of preservation.
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Regulating Forever Chemicals
We are an ingenious species, and when properly motivated, we can build an economy that doesn’t poison people and the planet.
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Tackling a 40 Million-Year-Old Conundrum
A new study bolsters the idea that the uplifts of the Himalayas and Andes that began tens of millions years ago helped trigger the many ice ages that followed.
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What to Expect From the COP26 Meeting
What’s at stake this year at the United Nations’ climate change conference
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What Does the Changing Climate Mean for Food Security?
Best-selling author and climate activist Bill McKibben recently joined Columbia Mailman professor Lew Ziska for a conversation about the threat of climate change on global food security.
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
