Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Land use -- Great Britain, 5 canlyniadau
- Agriculture -- Great Britain, 4 canlyniadau
- Environmental protection -- Great Britain, 2 canlyniadau
- Landscape -- Great Britain, 2 canlyniadau
- Pollution -- Great Britain, 1 canlyniadau
- Agriculture -- Wales, 1 canlyniadau
- Agriculture -- Wales -- Carmarthenshire, 1 canlyniadau
- Land use -- Wales, 1 canlyniadau
- Land use -- Wales -- Carmarthenshire, 1 canlyniadau
- Coal mines and mining -- Great Britain, 1 canlyniadau