This book explores the issues surrounding various ocean species by placing opinions from a wide range of sources in a pro versus con format. It features articles that express various perspectives on this topic. Full-color photographs, charts, graphs, and illustrations supplement the text. Across three chapters, readers will evaluate whether the oceans are changing, what the most significant threats to the oceans are, and how we should protect the oceans. Essay sources include the Natural Resources Defense Council, International Fund for Animal Welfare, and the Coastal Alliance for Aquaculture Reform.