PBS Newshour: Larsen C Ice Shelf Primer

March 9, 2017

Maybe the largest iceberg ever, the size of Delaware, about to break off from the Larsen C shelf in Antarctica.
Good primer here from PBS.

I spoke to NASA’s Eric Rignot about the process in December.

If you’re sharing these with any skeptical or less well-briefed friends, important for context to understand what the breakup of land ice means for sea level. Most people have no freaking idea. See below.

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2 Responses to “PBS Newshour: Larsen C Ice Shelf Primer”


  1. People shouldn’t deny climate change, but the ridiculous statement “Maybe the largest iceberg ever, the size of Delaware” is what feeds climate change deniers.

    People who are skeptical about climate change see false exaggerations like “Maybe the largest iceberg ever, the size of Delaware” and then think that climate change communicators are exaggerating climate change generally.

    A responsible statement would be “At 5000 sq. km., this iceberg would be the largest since an 11,000 sq. km. iceberg, named B-15, broke off the Ross ice shelf in March 2000 and a 6,900 sq. km. iceberg, A-38, broke off the Filchner-Ronne ice shelf in October 1998. For comparison, the largest measured iceberg was 31,000 sq. km. as observed by the U.S.S. Glacier, November 1956.”


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