Carnival Corporation & plc (NYSE/LSE: CCL; NYSE: CUK), the world's largest leisure travel company, announced today that its second consecutive year of supporting The Nature Conservancy helped the organization continue its momentum in protecting the world’s oceans and seas. As part of achieving its 2020 sustainability goals, Carnival Corporation is providing through the Carnival Foundation a $2.5 million gift over a five-year period to The Nature Conservancy, which began in 2014.