Communities there face poorer environments – noisier, more trafficked areas, reduced air quality and not to mention more environmental crimes like litter and fly tipping.
Mae’r cymunedau hyn yn wynebu mwy o sŵn a thraffig ac ansawdd aer salach heb sôn am droseddau amgylcheddol megis sbwriel a thipio anghyfreithlon.