The blue economy is a concept that refers to the sustainable use and management of ocean resources for economic growth, improved livelihoods, and the preservation of the health and well-being of the ocean ecosystem. It encompasses a wide range of economic activities, including fisheries, aquaculture, marine biotechnology, renewable energy, tourism, and shipping, among others.

The blue economy recognizes that the oceans are a valuable resource that can contribute to economic growth and job creation, while also acknowledging the importance of preserving the health and well-being of the ocean ecosystem. It emphasizes the need for sustainable management of ocean resources, including the protection of marine biodiversity, the reduction of pollution and waste, and the promotion of renewable energy and resource efficiency.

The blue economy has gained increased attention in recent years as a way to promote sustainable development and address some of the environmental and social challenges facing the world today. The United Nations has recognized the importance of the blue economy in achieving the Sustainable Development Goals, and many countries and organizations have developed policies and strategies to promote sustainable use of ocean resources. Some of the key principles of the blue economy include promoting the use of renewable resources, reducing waste and pollution, and integrating economic development with environmental sustainability.