√ GRI 307 Environmental compliance 2016 Management approach (1031, 103-2 and 103-3) 163 √ 12, 13, 14, 15, 16 307-1 163 √ GRI 308 Supplier environmental assessment 2016 Management approach (1031, 103-2 and 103-3) 224 √ 308-1 224 √ 308-2 224 √ III.