Scientists have new details on an Antarctic glacier crucial to future sea level rise

Read MoreNPR’s Ari Shapiro talks with glaciologist Ted Scambos about the conclusion of a multi-year study of Antarctica’s Thwaites Glacier, the “plug” holding back a formidable amount of ice.NPR’s Ari Shapiro talks with glaciologist Ted Scambos about the conclusion of a multi-year study of Antarctica’s Thwaites Glacier, the “plug” holding back a formidable amount of ice.