This technical briefing note supports the use of the 'Global Critical Habitat Screening layer' and answers Frequently Asked Questions regarding the layer. The briefing note provides background on the Critical Habitat concept, outlines the intended use of the screening layer during the project life cycle, and provides a summary of the layer's methodology and key limitations of use.

The Proteus Technical Briefing Note series supports the application and interpretation of biodiversity data and information by the extractive sector. Technical briefing notes are developed in the context of the Proteus Partnership, a collaboration between leading extractive companies and UNEP-WCMC to strengthen business approaches for biodiversity management.