Sustainability99
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Sustainability Policy Is Taking Hold in China
I left China encouraged by the widespread receptivity to the theory and practice of sustainability, but aware of the huge challenge that lies ahead. As we flew from Guiyang to Beijing for the return flight home, I looked down and saw a countryside dotted with scores of windmills. The transition from a coal-based economy to…
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In China, Establishing Indicators for Global Sustainable Development
Last weekend, Earth Institute executive director Steven Cohen and post-doctoral research scholar Dong Guo participated in the Fourth Global Think Tank Summit in Beijing, hosted by the China Center for International Economic Exchanges (CCIEE). CCIEE, the preeminent think tank in China headed by the former vice premier, hosted hundreds of politicians, scholars, business leaders, and…
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Revising the Toxic Substances Out-of-Control Act
An unregulated chemical industry is an invitation for disaster. Fortunately, there is at least one place in America where regulation of toxic chemicals is taken seriously—California (of course).
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The Centrality of Sustainability
The most powerful political argument for protecting the planet is that to retain what we have, we must gradually change how we deliver the goods and services that people enjoy. The argument that people must give up what they enjoy does not win elections.
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Earth Institute Director Jeffrey Sachs Awarded Blue Planet Prize
Jeffrey Sachs, director of Columbia University’s Earth Institute, has been awarded the 2015 Blue Planet Prize. The prize is presented each year to two individuals or organizations worldwide to recognize major efforts to solve global environmental problems. Many consider it to be the world’s highest such honor. The other recipient this year is Cambridge University…
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The Environmental Paradox: Escalating Conflict and Bringing Peace in the Middle East
Throughout history, land has been a source of conflict between different stakeholders who want to control it. Increasingly, environmental issues surrounding land are playing a role in conflict discourse in the Middle East.
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Anthropocene and Its Victims: Migration as Failure or Adaptive Strategy?
Gemenne argues that climate change is a form of political persecution, that victims of the anthropocene are also victims of political persecution, thus, we should reinstate the term “climate refugee.”
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How the Transition to Renewable Energy Could Come
In the United States, our political process sends us strong signals about what problems and proposals can achieve agenda status. Increased federal support for science and technology will not be easy, but unlike a carbon tax, it is capable of drawing bipartisan support.
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Viewing Melting Glaciers, Via Microscope and Moving Images
Two women investigating climate change from different perspectives—Christine McCarthy, a geophysicist at Lamont-Doherty Earth Observatory, and Denise Iris, a multimedia artist from Brooklyn—had a chance to spend several days together recently. In the Rock Mechanics Lab at Lamont, where McCarthy works, and a nearby “cold room” chilled to the climate of an industrial freezer, they…

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