Why Natural England’s net gain calculator may struggle to accurately value nature

The flaws in the biodiversity net gain calculator have all been corrected, says Natural England, but will its official launch later this year satisfy everyone? James Agyepong-Parsons reports.

“It would be nice to work with something that you could take down... to a finer resolution, because you just can’t account for the smaller habitat sizes that you come up against,” explains field ecologist Neil Everett on the technical limitations of Natural England’s pilot biodiversity net gain calculator.

Everett and his consultancy team at Ascerta have been trialling the latest iteration of Natural England’s biodiversity offsetting metric 2.0 – a net gain calculation tool which the wildlife regulator plans to roll out later this year. 

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