narrower concept atomic energy law Concept consolidation of farmland law Concept energy saving law Concept environmental-protection law Concept federal control of pollution law Concept federal nature conservation law Concept federal trunk road law Concept legal action taken by an association Concept nature protection law Concept nature protection law Concept official plan approval method Concept plan warranty Concept power industry law Concept refuse disposal law Concept refuse law Concept road traffic law Concept traffic law Concept traffic planning Concept water law Concept