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

Fahrenheit Pledge

Op-eds & Essays by David Sandalow • December 07, 2015

In the next week, with the Paris climate conference underway, millions of Americans will hear and read news stories about global warming. They’ll hear that allowing global average temperatures to increase by more than 2°C would be dangerous, that nations of the world have pledged to keep warming below 2°C and that, in the absence of policies, global average temperatures are likely to increase by a shocking 4°C by the end of the century. There’s only one problem: Americans think in degrees Fahrenheit. 

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Relevant
Publications

Regulatory Progress for Project-Based Carbon Credit Markets: Pre-COP30 Roundtable Summary

On November 6, 2025, in the lead-up to the annual UN Conference of the Parties (COP30), the Center on Global Energy Policy (CGEP) at Columbia University SIPA convened a roundtable on project-based carbon credit markets (PCCMs) in São Paulo, Brazil—a country that both hosted this year’s COP and is well-positioned to shape the next phase of global carbon markets by leveraging its experience in nature-based solutions.

Summaries by Gautam Jain, Preetha Jenarthan, Victoria Barreto Vieira do Prado + 3 more • December 04, 2025
Regulatory Progress for Project-Based Carbon Credit Markets: Pre-COP30 Roundtable Summary
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Climate Change

Fahrenheit Pledge

Op-eds & Essays by David Sandalow • December 07, 2015