Detailed text transcripts for TV channel - BBCNEWS - 20210413:12:54:00
Of carbon which is mitigating global climate change. and then itjust happens. i put my hand out a tiny bit... it was here that these divers filmed a documentary — my octopus teacher. it became a global hit. but the kelp is the bigger story, covering a quarter of the world's coastlines. for now, the kelp in south africa is so plentiful that it can be harvested sustainably, for all sorts of human uses, from fertiliser to face cream. the mineral—rich fronds can grow half a metre a day. but these forests, acutely vulnerable to rising sea temperatures, are struggling elsewhere, hence the push t...