The last Great Taste show of the year provides a look back at 2011 from two very different perspectives. First, we'll speak with Danielle Nierenberg, director of the Nourishing the Planet project. Nierenberg is a well-known expert on sustainability and livestock. The project she oversees, "...assesses the state of agricultural innovations—from cropping methods to irrigation technology to agricultural policy—with an emphasis on sustainability, diversity, and ecosystem health, as well as productivity. The project aims to both inform global efforts to eradicate hunger and raise the profile of these efforts.