Environmentalists make several arguments for leaving the bitumen in the dirt. They disparage hideous strip mines and toxic tailing ponds that even superstar marketers cannot “greenwash.” &#160;The scale is unusual, but open-pit mines and tailing ponds are normal mining operations everywhere.
环保主义者列举了几项理由，反对提炼土壤中的沥青。他们批评可怕的露天矿和有毒的尾矿池，这些东西即使是营销巨星再世也无法“漂绿”。虽然规模前所未有，但露天矿和尾矿池在常规采矿作业中却是随处可见。此外，新发明的沥青技术也不涉及露天矿建设。