Wide Sargasso seaweed: 5,500-mile algae belt keeps on growing

Great Atlantic Sargassum Belt now appears almost every year, forming largest record bloom It weighs 20m tonnes, stretches from west Africa to the Gulf of Mexico, and washes up on beaches creating a malodorous stench. Now scientists say a vast swathe of brown seaweed could be becoming an annual occurrence. Researchers say the explosion in sargassum seaweed first materialised in 2011. But new research shows it has appeared almost every year since then, forming the largest bloom of macroalgae ever recorded. Whats more, the seaweed band dubbed the Great Atlantic Sargassum Belt seems to be getting bigger. The scientists say the seaweed can be a boon for marine wildlife, providing habitat for creatures including fish and birds. But it also …

Deep-sea mining to turn oceans into new industrial frontier

Greenpeace report reveals 29 floor-exploration licences have been granted worldwide The worlds oceans are facing a new industrial frontier from a fledgling deep-sea mining industry as companies line up to extract metals and minerals from some of the most important ecosystems on the planet, a report has found. by Greenpeace revealed that although no mining had started on the ocean floor, 29 exploration licences had been issued covering an area five times bigger than the UK. Environmentalists said the proposed mining would threaten not only crucial ecosystems but the global fight against climate breakdown. Louisa Casson, an ocean campaigner at Greenpeace, said: The health of our oceans is closely linked to our own survival. Unless we act now to protect …