The global oceans are estimated to contribute an impressive 50-85% of the oxygen (O2) present in the earth’s atmosphere. It is often assumed the Amazon and other reputable rainforests are responsible for atmospheric O2, however rainforests only cover 2% of the earth’s total surface area; the oceans cover a remarkable 71%. From the Blue Planet Continue Reading
BY TAMAR KAHN, Business Day, 25 AUGUST 2015 THEY can withstand severe storms, freezing temperatures and waves 10m tall. SA’s intrepid sea robots have since last month been hard at work in the Southern Ocean collecting and relaying data to scientists snug and warm in their offices on land. The sea robots are part of Continue Reading