201623
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Presidential Politics: Water Supply and Contamination
The federal government needs to develop and implement a plan to solve problems with our water infrastructure, pollution and growing scarcity. How will the next president act?
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Carbon Pricing for the Climate: How It Could Work
Most economists and policy experts agree that the most effective and cheapest way to curb the carbon dioxide emissions that are warming the planet is to “put a price on carbon.” How effective are carbon taxes and cap and trade programs?
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Land and Conflict in East Jerusalem: the Role of Urban Planning
Without an urban civil culture, it is impossible to promote political and economic participation, and a non-unified Jerusalem will remain.
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Crossing Boundaries for the Environment
It is not the concept of a borderless nature that should serve as a model to facilitate cross-border dialogue and cooperation. Rather, it is that nature’s systems are interconnected and their borders are open to exchange.

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




