UK's Biodiversity Net Gain legislation faces potential long-term effectiveness challenges due to market uncertainties, enforcement risks, and data gaps, NAO warns.

The UK's biodiversity net gain (BNG) legislation faces potential long-term effectiveness challenges, with market uncertainties, enforcement risks, and data gaps identified as main concerns by the National Audit Office (NAO). The BNG scheme, which requires developers to achieve a 10% uplift in biodiversity, may not be successful without addressing these shortfalls.