climate change64
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New IPCC Report Offers New Data, Stern Warnings, Hope
The report shows that every degree of warming matters for livelihoods in most communities.
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It’s Totally Possible to Limit Global Warming to 1.5 Degrees
We have nearly all the tools we need to avoid a climate catastrophe—we just need to start using them, and fast.
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The Melting of the Greenland Ice, Seen Up Very Close
A small team of scientists ventures out onto the Greenland ice sheet to study the forces large and small that are accelerating the melting of the world’s second-largest ice mass.
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Photo Essay: Melting Greenland, Up Close
As climate warms, the Greenland ice sheet is melting, helping to fuel global sea-level rise. Follow a small team of scientists as they hike onto the sheet to investigate the forces large and small that are demolishing the ice.
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New Book: Climate Information for Public Health Action
A new textbook edited and written by researchers across Columbia gives the health community a primer on why, when and how climate information can and should be incorporated into health research, policy and practice.
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Using Tree Ring Records to Decode Earth’s Climate History
An interview with Ed Cook, one of the founding directors of the Tree-Ring Laboratory at Lamont-Doherty Earth Observatory.
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Dear Environmentalists, We Must Talk About Business
The pressure is on us to make a change, and we can’t afford to leave anyone behind. If we want to change the world, we have to work with big forces.
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End of Colombia Conflict May Bring New Threats to Ecosystems
The end of a 52-year internal conflict could spell trouble for the second most biodiverse country in the world. A new study outlines a sustainable path forward.
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The Intersection of Climate Science and Hope: A Personal Story
A man from Mali explains why he spent his summer working with Columbia’s Center for International Earth Science Information Network.

By studying thousands of buildings and analyzing their electricity use, Columbia Climate School Dean Alexis Abramson has been able to uncover ways to significantly cut energy consumption and emissions. Watch the Video: “Engineering a Cooler Future Through Smarter Buildings“
