policy
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MPA-ESP Students Brief Policymakers on Environmental Bills Shaping New York’s Future
In their final briefings, students explored the many ways science can inform policy, from fashion and drinking water to pollinators, animal markets and urban shade.
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A Climate and Society Student on Solving the Puzzle of Climate Equity
Jarrod Sims hopes to ensure an equitable energy transition through data-informed climate policy.
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A Climate and Society Student Seeks a Common Language Between Science and Policy
Lina Maria Villegas, a former linguist, is now channeling her curiosity and passion for environmentalism at the Climate School.
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Who Should Be Responsible for Used Clothing?
Should fashion brands be accountable for the nearly 13 million tons of textile waste Americans produce every year? New legislation says yes.
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Study Locates Origins of Glacier Soot Pollution in Northern India
By sampling snow from glaciers and tracking pollutants back to their source, the study reveals pathways to reduce harmful pollution in the Indian Western Himalayas.
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National Parks in Argentina: Scenery or Sovereignty?
A new study traces the political and economic forces that led to the creation and development of Los Glaciares National Park in Patagonia.
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Leading Himalayan Organization Takes a Historical Step by Appointing a Leader From Bhutan
Pema Gyamtsho from Bhutan will be the first Asian to ever serve as director general for the International Centre for Integrated Mountain Development.
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California Can’t Compromise on Cars
California is not going to compromise on cars. Lots of older Californians remember smog so thick you could not see the mountains surrounding Los Angeles from within L.A. They do not want to go back to those bad old days.
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Prof. Cohen Discusses Sustainability and Cities, Government, and Sustainable Lifestyles
The Columbia Alliance program profiled Steve Cohen to discuss approaches to shape a sustainable urban future.
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
