The Chesapeake Bay's oyster population has tripled in the last 20 years, thanks to what organizers call the world's largest oyster restoration effort. The milestone was celebrated at the "World is Your Oyster Fest" in Baltimore, where thousands gathered to enjoy oysters while supporting conservation efforts. The Oyster Recovery Partnership has planted 13 billion oysters back into the bay and restored about 3,000 acres of oyster reefs. The organization has also recycled 300,000 bushels of oyster