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Each GSI member has submitted their GSI Sustainability Report 2016 data for assurance by external independent auditing firms, with the aim of ensuring accurate data, and providing credibility to our stakeholders.

2016 Sustainability Report published: April 26, 2017
2015 Sustainability Report published: April 28, 2016
2014 Sustainability Report (2013 & 2014 data) published: June 5, 2015