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Half of world's sand beaches could be gone by 2100 under worst-case climate change scenario

Sandy beaches line more than 30 percent of the world’s coastlines, playing critical roles in local economies, cultures, and as natural buffers to coastal storms. Now, scientists are projecting that more than half of the world’s sandy beaches could vanish by the end of the century due to worsening erosion and sea level rise, according to a new study published in the journal Nature Climate Change.

The scientists did find, however, that even moderate climate change action could prevent 17 percent of this shoreline retreat by 2050 and 40 percent by 2100.

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