Aleta Baun, an Indonesian environmental activist known in her community as Mama Aleta, has a penchant for wearing a colourful scarf on her head, but not for cosmetic reasons.
At a political level, when the United Nations speaks of a "high seas alliance", it is probably a coalition of countries battling modern piracy in the Indian Ocean.
Nature reserves act as a safe deposit box for biodiversity and contribute to adaptation to climate change. But in a country like Cuba, plagued by a chronic economic crisis, efforts to increase the number of protected areas go largely unnoticed.
Oil, gas and coal are contaminating the world's oceans from top to bottom, threatening the lives of more than 800 million people, a new study warns Tuesday.
The immense scale of the Pacific Ocean, at 165 million square kilometres, inspires awe and fascination, but for those who inhabit the 22 Pacific island countries and territories, it is the very source of life. Without it, livelihoods and economies would collapse, hunger and ill-health would become endemic and human survival would be threatened.