2020 ~
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February, 2025Reorganization with the establishment of the Climate Change and Carbon Research Department(5 departments, 17 research divisions, 8 centers)
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April, 2024Chemical safety management transferred to the National Institute of Chemical Safety
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September, 2020Bio-safety team transferred to the National Institute of Wildlife Disease Control and Prevention
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February, 2020Nakdong River Research Center relocated to Daegu
2000 ~ 2019
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August, 2019Air and other emission source management transferred to the National Air Emission Inventory and Research Center
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May, 2019National Wetlands Center transferred (5 departments, 17 research divisions, 5 research centers, 4 centers)
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February, 2019Humidifier Disinfectant Health Center established (5 departments, 17 research divisions, 5 research centers, 5 centers)
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March, 2018Environmental Satellite Center established (5 departments, 17 research divisions, 5 research centers, 4 centers)
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May, 2014Air Quality Forecasting Center established (5 departments, 17 research divisions, 5 research centers, 3 centers)
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September, 2013Chemical accident response transferred to the National Institute of Chemical Safety
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January, 2012National Wetlands Center established (5 departments, 16 research divisions, 5 research centers, 3 centers)
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September, 2011Soil and Groundwater Research Division established (5 departments, 16 research divisions, 5 research centers, 2 centers)
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July, 2010Integrated Water Quality Management Center established (5 departments, 15 research divisions, 2 research centers, 2 centers)
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December, 2009National Environmental Specimen Bank completed
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February, 2009Environmental Strategy Planning Office and Resource Cycle Research Center established (1 office, 4 departments, 16 research divisions, 5 research centers, 1 center)
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July, 2005Renamed the National Institute of Environmental Research (NIER) and the Global Environment Research Center established (6 departments, 23 research divisions, 6 research centers)
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November, 2004Yeongsan River Research Center relocated to Gwangju
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November, 2003Nakdong River Research Center relocated to Goryeong
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August, 2002Biodiversity research department and total load management research division established (6 departments, 24 research divisions, 5 research centers)
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July, 2000Relocated to the Environmental Research Complex in Incheon
1978 ~ 1999
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May, 1994Four Major Rivers Quality Inspection Stations established
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October, 1986Renamed the National Institute of Environmental Studies
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January, 1980Reorganized as a subsidiary of the National Environment Agency (3 departments, 2 research divisions, 11 offices)
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July, 1978Established as the National Environmental Protection Institute (NEPI) (1 research division, 5 offices)