As an initial milestone in the process, GRI is aiming to publish a list of internationally recognised material topics by business/industry activity group in May 2013. This list is intended to be used as a reference in the sustainability reporting field. In order to prepare this list, GRI is inviting all interested parties to provide the most relevant sustainability topics that have been identified for their sector or industry.

The concept of 'materiality' in sustainability reporting is an increasingly important issue as more organisations seek to adopt and apply sustainability reporting practices.

The GRI has also announced the five newest Supplements that is has developed must be used by organisations in those sectors if they want to declare an 'Application Level A' - these are Airport Operators, Construction and Real Estate, Oil and Gas, Media, and Event Organisers.  Application Levels indicate the extent to which the G3 or G3.1 Guidelines have been applied in sustainability reporting (the Application Levels are proposed to be discontinued as part of the forthcoming 'G4' Guidelines).

Click for more information (link to GRI website).