pollution

Pollution levels are almost always higher in cities rather than the countryside, what with the cars, industry and so on.

Men who attend the Altar, and should most / Endevor Peace: thir strife pollution brings / Upon the Temple it self […].

When occasioned by a voluntary act it is called, simply, Pollution or Masturbation (q.v.); when excited, during sleep, by lascivious dreams, it takes the name Noctur'nal pollution, Exoneiro'sis, Oneirog'mos, Oneirog'onos, Gonorrhœ'a dormien'tium, G. oneirog'onos, G. Vera, G. libidino'sa, Proflu'vium Sem'inis, Spermatorrhœ'a, Paronir'ia salax, Night pollution.

She condescended to wait on them at Pemberley, in spite of that pollution which its woods had received.