Nuveen Backs Rare Blue Bond in Debt-Swap Deal for Barbados.

(Bloomberg) -- Nuveen LLC is acting as a so-called anchor investor for a rare bond that's tied to a transaction linking debt forgiveness to environmental goals. Barbados' bond will be the first debt-for-nature swap that qualifies as an impact investment under Nuveen's proprietary impact framework, the firm said. [Extracted from the article]