The Global Acid-Rock Drainage (GARD) Guide is a recent development to support sustainable management of ARD. This internet-based global best practices guide for the prevention and mitigation of ARD was recently published by the International Network for Acid Prevention (INAP). INAP is an international consortium of major mining companies, working collectively to combat the issue of ARD. The guide’s objectives are to promulgate best practice in the prediction, prevention and mitigation of ARD. It endorses a risk-based, proactive and consistent approach by encouraging the reduction and control of ARD at its source by incorporating best-management practices into a mine’s operation throughout its lifecycle, as part of a ‘cradle-to-cradle’ approach. (more…)