26/06/2023
Nothing is as important to sustainable development as ocean biodiversity. Marine biodiversity, the diversity of life in the oceans and seas, is an essential aspect of the three pillars of sustainable development - economic, social and environmental. It is essential to the smooth running of the planet and provides services that ensure the health, well-being and prosperity of humankind.
The oceans are one of the world's main reservoirs of biodiversity. They make up over 90% of the planet's habitable space, and are home to some 250,000 known species, as well as many others that are not yet well known1.
Oceans and marine life are essential to the planet's functioning, providing half the oxygen we breathe and absorbing around 26% of anthropogenic carbon dioxide emissions into the atmosphere each year.
New evidence is emerging demonstrating the essential role of marine biodiversity for the health of the planet and social well-being. Fishing and aquaculture are a source of income for hundreds of millions of people, particularly low-income families, and contribute directly and indirectly to their food security. Marine ecosystems provide numerous services to coastal communities worldwide. For example, mangrove ecosystems are an important source of food for over 210 million people, but also provide many other services, such as livelihoods, clean water, forest products and protection against erosion and extreme weather events.
https://www.un.org/fr/chronicle/article/la-biodiversite-marine-et-les-ecosystemes-marins-assurent-la-sante-de-la-planete-et-le-bien-etre