Blue carbon: how three Australian marine sites lock away 2bn tonnes of CO2

Graham Readfearn, The Guardian

Blue carbon: how three Australian marine sites lock away 2bn tonnes of CO2
Kristin Hoel on Unsplash

Unesco has for the first time calculated all the so-called “blue carbon” stored across its 50 world heritage marine sites and finds they contain about 5bn tonnes of CO2 and other greenhouse gases.

The three Australian sites – the Great Barrier Reef in Queensland, and Shark Bay and the Ningaloo coast in Western Australia – have almost 40% of the blue carbon stored across all world heritage sites, according to data in the report.

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