Join Dr. Michael Oppenheimer for a live online Q&A, right here, on Sunday, July 16, at 11 p.m. ET. Oppenheimer, the Albert G. Milbank Professor of Geosciences and International Affairs at Princeton University, is one of the world's leading scientists studying the potential effects of global warming and co-founder of the Climate Action Network. He will seek to bring clarity to this hot topic and answer your questions. Don't forget to tune in to Global Warming: What You Need to Know with Tom Brokaw on Sunday, July 16, at 9 p.m. ET/PT.

    Forums    Global Warming    Read Dr Oppenheimer's answers to your questions

    Forums    Global Warming    Read Dr Oppenheimer's answers to your questions