11 results
Results are displayed by relevance.
Welsh: llygru
English: corrupt
Welsh: llygru
English: pollute
Welsh: llwybr llygru
English: pollution pathway
Welsh: perygl llygru
English: pollution risk
Welsh: sylwedd llygru
English: polluting substance
Welsh: ailgyfeirio llwybr llygru
English: intercepting pollution pathway
Welsh: arafu neu atal llwybr llygru
English: mitigating pollution pathway
English: diffuse pollution of nutrients into watercourses
English: The Protocol on Preparedness, Response and Co-operation to Pollution Incidents by Hazardous and Noxious Substances
Welsh: datblygiad a allai lygru
English: potentially polluting development
English: Protection of Groundwater against Pollution