Permission to open a mine was denied on environmental grounds.由于环境方面的原因，开矿被否决了。The expansion plans are an economic and environmental dead duck.这次的扩张计划在经济和环境方面都注定会失败。The company will be able to weigh up the environmental pros and cons of each site.这家公司将可以权衡每处选址在环境方面的利与弊。