Australian Broadcasting Corporation: Great swathes of the temperate kelp forests on Western Australia's reefs that underpin tourism and fisheries industries worth $10 billion annually are gone. Key points: The ocean off Western Australia is warming twice as fast as the global average Since 2000, nearly 1000 square kilometres of kelp forest have been lost from the area These "forests of the sea" underpin tourism and fisheries worth $10 billion per year And the demise of these remarkable "forests of the sea" is likely permanent,...