Tall ice cliffs are slumping and may trigger rapid sea-level rise, study finds
Scientists have found that tall ice cliffs in Greenland are slumping — and this may eventually lead to a more
Read moreScientists have found that tall ice cliffs in Greenland are slumping — and this may eventually lead to a more
Read moreAll was quiet on June 22 as Canadian husband-and-wife scientists David and Denise Holland settled in for the night off
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