A new study has 'proofed' the scientific value of indigenous and local knowledge collected from community members using focus groups. Bringing together "western scientific" and "indigenous and local" knowledge is a goal of the Intergovernmental Platform on Biodiversity and Ecosystem Services (IPBES). The information is needed to fulfil a function of IPBES which is to produce assessments of the state of the planet's environment, and identify changes over time. However, assurin