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Climate science

A tale of two ice sheets

The vast Laurentide ice sheet once covered the northern reaches of the American continent. A combination of geological data and climate simulations suggests that it dwindled faster than has been projected for Greenland's ice over the next century.

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Figure 1: The impact of a sea level rise of 1 m on population, land area and gross domestic product.

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Siddall, M., Kaplan, M. A tale of two ice sheets. Nature Geosci 1, 570–572 (2008). https://doi.org/10.1038/ngeo286

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