The health of marine environments worldwide is steadily declining, and these trends have been widely reported. Marine Policy summarizes the importance of the ocean governance nexus, discussing current and anticipated challenges facing marine ecosystems, human activities, and efforts to address these threats. This new, fully revised edition has been updated throughout, including content to reflect the recent advances in ocean management and international law. This book provides readers with a foundation in policy development and analysis, describing how policy, including legal mechanisms, are applied to the marine environment. It presents a systematic treatment of all aspects of marine policy, including climate change, energy, environmental protection, fisheries, mining and transportation.