Peatland
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Giant peat bog discovered in Congo-Brazzaville

A vast peatland has been discovered in a remote part of Congo-Brazzaville.

The bog covers an area the size of England and is thought to contain billions of tonnes of peat.

Scientists say investigating the carbon-rich material could shed light on 10,000 years of environmental change in this little-studied region.

Rebecca Morelle reports.

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