(1) Whether any areas or catchments have been declared as environmentally too sensitive to be subjected to mining operations; if so, (a) what are the details of these areas or catchments and the declaration of their sensitivity and (b) on what basis was the declaration made in each case; if not, (2) whether plans are in place to declare certain areas or catchments as environmentally too sensitive to be subjected to mining operations; if not, why not; if so, what are the relevant details; (3) whether any research is being conducted or planned with a view to declaring certain areas or catchments as environmentally too sensitive to be subjected to mining operations; if not, why not; if so, what are the relevant details?