There's no light pollution there so I had to set up my equipment using a torch.

因为这里没有光污染，所以我必须举着手电筒搭好我的拍摄装备。

youdao

The UK-based Royal Commission on Environmental Pollution says that while the materials have so far shown no sign of being harmful, there is a "major gap" in research about their potential risks.

这份报告由英国皇家环境污染委员会完成，它说，尽管纳米材料迄今为止没有表明有害的迹象，但是对其潜在风险的研究还有“严重的欠缺”。

youdao

So it is no surprise that Beijing has some of the worst air pollution of any big city on earth.

因此，北就的空气质量指数与世界各大城市相比，有些部份表现最差，也就不足为奇了

youdao

There has been no pollution so far but a potential danger from an oil spill remains.

BBC: Ship refloating plan launched

So far we have recorded no pollution and the situation is being constantly monitored by the authorities.

BBC: Salvaging the Costa Concordia

We also shared an interest in the "cradle-to-cradle" concept developed by Bill McDonough and Michael Braungart that proposes a way in which we can shift from a linear way of using resources to one that keeps all resources in closed cycles so nothing is wasted and no pollution is emitted.

CNN: STORY HIGHLIGHTS