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UN Conference on Human Environment (UNCHS) was held in 1972 in______: Stockholm (Sweden)
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The Earth Summit was held in 1982 in______: Nairobi (Kenya)
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The United Nations Conference on Environment and Development (UNCED) or Earth Summit 1992 was held in______: Rio de Janeiro (Brazil)
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The World Summit on Sustainable Development, Earth Summit 2002 or Rio+10 was held in______: Johannesburg (South Africa)
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In 2009 United Nations Climate Change Conference or Copenhagen Summit was held in______: Copenhagen (Denmark)
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The United Nations Conference on Sustainable Development (UNCSD) or Rio+20 was held in 2012 in______: Rio de Janeiro(Brazil)
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The 7th Digital Earth Summit 2018, DES-2018, on Digital Earth for Sustainable Development in Africa was to be held in______: El Jadida (Morocco)