Consider This: 19th century New England whaling logs offer clues to 21st century climate change

A scientific mystery is unfolding in the archives of New England's whaling industry, involving a historical shift in critical wind patterns that scientists say could document long-term evidence of climate change.

Consider This cohost Paris Alston speaks with WBUR reporter Hannah Chanatry, who has been following scientists' efforts to glean data from whaling ship logs in New Bedford.