State of the Planet

News from the Columbia Climate School


Photo Essay: How High Could Seas Rise?

Scientists from Columbia University’s Lamont-Doherty Earth Observatory are examining coasts around the world to measure how high seas rose during past warm periods. Their aim: to refine estimates of sea-level rise in coming decades, during our current era of human-induced global warming. Recently, they visited the Caribbean island of Barbados. Made mostly of fossil coral reefs that have been slowly rising from the waves for hundreds of thousands of years, the island contains an exquisite record of how the ocean has risen and fallen.  (All photos by Kevin Krajick)   READ THE FULL SCIENTIFIC STORY

Banner featuring a collage of extreme heat images.

Recent record-breaking heat waves have affected communities across the world. The Extreme Heat Workshop will bring together researchers and practitioners to advance the state of knowledge, identify community needs, and develop a framework for evaluating risks with a focus on climate justice. Register by June 15

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5 years ago

What will happen to New Zealand if global temperatures rise to 2 degrees or more, say up to 4 degrees? Can anyone foretell? Is it possible that poles flip and NZ will be under snow? What is possible?