Senegal-sized Antarctic glacier melting faster than thought: Why it matters

The world’s largest glacier is melting much faster and could add twice as much to global sea levels as previously expected over the next century.

New research published this week by a team of glaciologists has found that the Thwaites glacier in West Antarctica is losing mass rapidly because warm seawater is pushing underneath it and melting its core. This could add 1.2 inches (30mm) to water lev...