Marine heatwave set off 'carbon bomb' in world's largest seagrass meadow. 22% of seagrass in Western Australia’s Shark Bay was lost after 2010-11 heatwave, causing release of up to 9m tonnes of carbon.

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Marine heatwave set off 'carbon bomb' in world's largest seagrass meadow. 22% of seagrass in Western Australia’s Shark Bay was lost after 2010-11 heatwave, causing release of up to 9m tonnes of carbon.