Morningside Campus Status Updates

Current Access Level “I” – ID Only: CUID holders, alumni, and approved guests only

  • Campus open to active affiliate Columbia University ID (CUID) holders and approved guests only.
  • Columbia students, faculty, and staff can use the guest registration portal to register up to two same-day guests. Alumni can use the portal to register for campus same-day access as well. Learn more below.

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Climate Change

U.S. and China team up on global warming

Op-eds & Essays by David Sandalow • September 25, 2015

Tensions between the United States and China are running high on issues including cyber security, the South China Sea and currency values. So why are the U.S. and China working so well together on climate change? And what does it mean for the world? David Sandalow explains in an op-ed for Reuters

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Climate Change

U.S. and China team up on global warming

Op-eds & Essays by David Sandalow • September 25, 2015