Global

In an ongoing effort to broaden the University’s already extensive international perspective, Columbia President 

The long war leading to South Sudan's recent independence began during the powerful El Niño drought of 1983. In continuing hostilities, southern fighters display a grenade launcher captured from northern Sudanese, July 2011.
(Trevor Snapp/Global Post)

In the first study of its kind, researchers have linked a natural global climate cycle to periodic increases in warfare.

Soon after Columbia Law School emptied out at the end of the spring semester, its Jerome L. Greene Hall filled up with representatives of some of the world’s most remote island nations.

More than half the world’s population live in cities, many of which are increasingly vulnerable to the impacts of climate change.

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