He’s an author, professor, businessman, journalist, documentary filmmaker, former U.S. Senator, former Vice President and a winner of the Nobel Prize. Al Gore is currently on tour promoting his new book, Our Choice: A Plan to Solve the Climate Plan. Today on Eight Forty-Eight, he takes your questions and comments abour climate change.

Our science reporter Gabriel Spitzer and Northwestern University’s Monica Prasad hosted a live blog for today’s conversation.