Oceans with Dr. Daniel Sigman and Dr. Andrea Neal  

In our continuing series on The Oceans, Aaron talks with Dr. Daniel Sigman, Ph.D., MIT/Woods Hole Oceanographic Institute, and Professor of Geological & Geophysical Sciences at Princeton University, and Dr. Andrea Neal, Ph.D., Molecular Genetics and Lipid Biochemistry, and President and Founder of Blue Ocean Sciences. They discuss the current condition of our oceans, the Earth's climate cycle (with Sigman's expertise on Ice Ages), and what we need to do to ensure a brighter future for the planet.