Dr. Jacqueline Klopp is director of the Center for Sustainable Urban Development and a Research Scholar who explores the intersection of sustainable transport, land use, accountability, air pollution, ...

The Columbia Task Force on Antisemitism was created to address the harmful impact of rising antisemitism on Columbia’s Jewish community and to ensure that protection, respect, and belonging extends to ...

One of America’s premier liberal arts colleges set within a leading research university, Columbia College offers the chance to work across disciplines, embrace complexity and become a flexible, ...

Attracting the best minds in pursuit of greater human understanding, pioneering new discoveries, and service to society. For more than 250 years, Columbia has been a leader in higher education in the ...

Featured climate data Climate Uncensored: Data & Figures We are beginning a revamp of the Climate Uncensored: Data & Figures pages, starting with global temperature. This section will serve as the hub ...

The conductivity of semiconductors can be increased, and in some cases, decreased by many orders of magnitude through the addition of impurities, or dopants. Single-component semiconductors are from ...

The Hiking Club is a voluntary club sport affiliated with Columbia University. We organize day hikes and backpacking trips throughout the year, mostly in the New York Tri-State area. Learn more about ...

For most of us, our days are filled with negotiation and conflict. They range from low stakes disputes about meeting schedules to high stakes clashes about strategic direction, and from casual debates ...

Columbia Japan Society is a student organization on campus committed to bringing aspects of Japanese culture to the Columbia community. We are dually recognized by the university under the activities ...

Lecture Notes Introduction to discrete-time Markov chains I Gambler's ruin problem Stopping times Markov chains II: recurrence and limiting (stationary) distributions Time-reversible Markov chains ...

Welcome to those who are interested in learning more about Columbia’s PSSA! Our main purpose is to show show prospective and current Political Science majors and concentrators the benefits of the ...

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