President Barack Obama's top science adviser has rejoined the climate science organization he led before his White House service. John Holdren on Friday rejoined the Massachusetts-based Woods Hole Research Center as a senior adviser to its president. Holdren was himself president of the organization from 2005 to 2009 before joining Obama's team. The Woods Hole Research Center is a top-rated independent climate-change think tank. He became the longest serving presidential science adviser.

Source: ABC News February 24, 2017 15:56 UTC