Zany ideas to slow polar melting are gathering momentum
Giant curtains to keep warm water away from glaciers strike some as too risky
Globally, sea levels have risen by somewhere between 21cm and 24cm since 1880. Most of this rise is a consequence of water physically expanding as it warms, but in recent decades meltwater flowing off Greenland and Antarctica has significantly contributed too.
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This article appeared in the Science & technology section of the print edition under the headline “On thin ice”
From the June 8th 2024 edition
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