JACKSONVILLE, Fla., April 16 /PRNewswire-FirstCall/ -- CSX Corporation (NYSE: CSX), a leader among transportation companies in environmental stewardship, is celebrating the 40th anniversary of Earth Day with a week-long celebration around its network which includes rail yard clean sweeps, employee engagement and education activities, and local beautification projects. "Protecting the environment and reducing our carbon footprint are a major focus of our everyday operations. We welcome the chance on this 40th anniversary of Earth Day to celebrate our accomplishments and look for new areas of improvement," said Skip Elliott, CSX vice president, public safety and environment. CSX's Earth Day celebrations...