→ skos:prefLabel → "2.2. Reduce environmental problems"
→ od:Advantages → "Protection of the global environment"
→ od:Disadvantages → "Technological limitations do not eliminate problems arise, request maintenance"
→ od:Goal → "Minimize the impact, avoid environmental dispersion"
→ od:Id → "ReduceEnvironmentalProblemsPU"
→ od:hasLevel → "Level_2"