New research finds that if Totten Glacier, a glacier in eastern Antarctica, continues to melt it could cross a critical threshold in the next 100 years, contributing to a 2.9 metre rise in sea-levels.

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New research finds that if Totten Glacier, a glacier in eastern Antarctica, continues to melt it could cross a critical threshold in the next 100 years, contributing to a 2.9 metre rise in sea-levels.