Some drawbacks to wind farms include visualpollution and noise, although these can be overcome by improving their design and locating them in isolated areas.
风力发电场的一些缺点包括视觉污染和噪音，尽管这些可以通过改进设计和将它们安置在偏远地区来克服。
2
It is a good measure to take to rid our streets of such visualpollution.
清除街道上这种视觉污染是一项不错的措施。
3
This means considering not only actual pollution, but also the visualpollution and destruction of our environment.