If you live in a dirtier climate , you may have hard particles on your glasses .
如果你处在更脏的环境中,眼镜上可能有硬的颗粒。
But really , how much dirtier can it get ?
但说真的,会有多肮脏呢?
We 've got much dirtier air !
我们得到太多肮脏的空气了!
They were even dirtier earlier .
它们比刚才还要脏。
If so , it would make shale gas dirtier than coal or oil .
如果事实如此,页岩天然气将是比煤炭和石油更加肮脏的燃料。
Our cities will continuetobecome more crowded noisome . Thelandscape will get more cluttered , theair and water even dirtier .
我们的城市会变得越来越拥挤,景色会变得更加杂乱,空气和水也会变得愈发肮脏.
But such renewable power may be more useful to replace coal , which is far dirtier than gasoline .
但这些可再生能源更好的用途是用来取代相比汽油污染更为严重的煤炭。
But the iea argues that important technology , such as carbon capture and storage , and widespread use of electric and hybrid cars would be economic only if a high price for carbon penalised those extracting and using dirtier energy sources , such as coal and petrol .