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Scientists Warn: Antarctica's Ice Melt Threatens Sea Levels

1/20/2026

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Summary

Story summary

Miles O'Brien, a science correspondent, reports that scientists warn melting Antarctica's ice sheets could raise sea levels.
A two-month research expedition is underway to collect data essential for understanding this issue.
Researchers face uncertainties about whether they will obtain the necessary information.
The report is part of the Tipping Point series.

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Story summary

Miles O'Brien, a science correspondent, reports that scientists warn melting Antarctica's ice sheets could raise sea levels.
A two-month research expedition is underway to collect data essential for understanding this issue.
Researchers face uncertainties about whether they will obtain the necessary information.
The report is part of the Tipping Point series.