Columbia Business School Archives - State of the Planet

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Photos, Tweets, and More: Columbia Climate School at COP27

Learn more about how Columbia Climate School has been advancing the conversation at the world’s most important climate change summit.

by |November 17, 2022
large white batteries near wind turbines

Are Wind and Solar Power Really More Expensive and Less Reliable?

Recent technological advancements and an evolving market challenge these old myths.

by Jeff Ballinger |February 10, 2022

Net Zero Pledges: Can They Get Us Where We Need to Go?

The latest U.N. climate summit resulted in a spate of new net zero pledges. But net zero doesn’t necessarily mean cutting emissions.

by |December 16, 2021

Bitcoin’s Impacts on Climate and the Environment

The cryptocurrency’s high value comes at a high cost to the planet.

by |September 20, 2021