@prefix n9j: <http://data.loterre.fr/ark:/67375/N9J> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

n9j:-N162DD27-B
  skos:prefLabel "gaseous fuels"@en ;
  a skos:Concept ;
  skos:narrower n9j:-X4256TB1-N .

n9j:-HCCPZMGP-M
  skos:prefLabel "pollution"@en ;
  a skos:Concept ;
  skos:narrower n9j:-X4256TB1-N .

n9j: a skos:ConceptScheme .
n9j:-SJB2MQ7L-4
  skos:prefLabel "fossil fuels"@en ;
  a skos:Concept ;
  skos:narrower n9j:-X4256TB1-N .

n9j:-X4256TB1-N
  owl:sameAs <https://concepts.sagepub.com/social-science/concept/natural_gas> ;
  skos:definition "Natural gas is made up of just two elements: carbon and hydrogen. It is a fossil fuel that is believed to have been formed from the organic remains of tiny sea animals and plants that date back 300 to 400 million years. [Source: Encyclopedia of Global Warming & Climate Change; Natural Gas]"@en ;
  a skos:Concept ;
  skos:inScheme n9j: ;
  skos:broader n9j:-N162DD27-B, n9j:-SJB2MQ7L-4, n9j:-KR8JVBLZ-9, n9j:-HCCPZMGP-M ;
  skos:prefLabel "natural gas"@en .

n9j:-concepts
  a isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member n9j:-X4256TB1-N .

n9j:-KR8JVBLZ-9
  skos:prefLabel "institutions studying climate change"@en ;
  a skos:Concept ;
  skos:narrower n9j:-X4256TB1-N .