A New Map Tracks the World's Largest Glaciers

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January 04, 2023

Dear Reader,

I'm covering for Andrea Thompson today. In the last several decades, scientists have repeatedly changed their predictions about how fast the arctic is melting. An aggressive positive feedback loop of lost ice, warming ocean temperatures, and further ice melting is now leading some to estimate that the arctic will be completely free of summer ice within the next 20 years. Maybe sooner. Now, scientists at the U.S. National Snow and Ice Data Center have created the first systematic ranking of the planet's some 200,000 glaciers, in order to track their changes. Check out the results in this week's top story. 

Andrea Gawrylewski, Chief Newsletter Editor

Conservation

A New Map Tracks the World's Largest Glaciers

A visualization compares the forms of Earth's largest flows of ice

By Theo Nicitopoulos,Amanda Montañez

Climate Change

Financial Firms May Have to Reveal their Climate Risk

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Animals

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Conservation

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Arts

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Water

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Engineering

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Making buildings part of a circular economy that minimizes the waste of materials could yield huge environmental rewards

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Policy

What's on the Horizon for 2023

Scientific American editors share what scientific events they are paying attention to as 2023 begins

By The Editors
FROM THE STORE

QUOTE OF THE DAY

"The more accurately we can map glacier outlines, the better we can track their melting due to climate change."

Ann Windnagel, research assistant at the U.S. National Snow and Ice Data Center

FROM THE ARCHIVE

The Arctic Is Breaking Climate Records, Altering Weather Worldwide

The Arctic climate is shattering record after record, altering weather worldwide

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