Creative commons licences enable less restrictive use of creative works than traditional, all-rights-reserved copyright. Authors reserve some rights, but depending on the license, allow users to share, use and build upon the work they've created.
Open access publishing is now a requirement of most academic funders. Creative commons licences are often mandated as part of research funders open access policies.
Most funders will request:
For further information on research funders licence requirements please see the Research Funders Open Access Policies guide.