A quick turn-around on this occasion – with hopeful news from the Gulf of Mexico, though even if the leak has been blocked successfully, it will be a long time before the effects of this disaster have been fully understood (never mind fixed). To another man-made disaster, this time off the southwest coast of Africa. Here over-fishing in the 1960’s resulted in ecosystem collapse, and only now are there a few hopeful signs of recovery, with the arrival of some tough gobies that can cope with anoxic waters and eat jellyfish…

First though, have we got the theory of algal blooms wrong? If we have, this could have serious implications for climatic modelling!
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