@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

<https://concepts.sagepub.com/social-science/concept/conceptgroup/events>
  a skos:Collection, isothes:ConceptGroup ;
  skos:prefLabel "events"@en ;
  skos:member <https://concepts.sagepub.com/social-science/concept/Earth_Summit> .

<https://concepts.sagepub.com/social-science/concept/Earth_Summit>
  skos:definition "The Earth Summit, also known as the Eco ′92, is the informal and best-known name for the United Nations Conference on Environment and Development (UNCED) held in Rio de Janeiro, Brazil, in 1992. During the conference, representatives of 172 governments produced the Rio Declaration on Environment and Development, a global statement to preserve the environment and to achieve social justice. [Source: <a href=\"https://sk.sagepub.com/reference/activism/n281.xml\" target=\"_blank\" data-id=\"to-sk\">Encyclopedia of Activism and Social Justice; Earth Summit</a>]"@en ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/global_environmental_and_energy_issues>, <https://concepts.sagepub.com/social-science/concept/environmentalism> ;
  skos:prefLabel "Earth Summit"@en ;
  a skos:Concept .

<https://concepts.sagepub.com/social-science/concept/environmentalism>
  skos:prefLabel "environmentalism"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/Earth_Summit> .

<https://concepts.sagepub.com/social-science/concept/global_environmental_and_energy_issues>
  skos:prefLabel "global environmental and energy issues"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/Earth_Summit> .