ICH CIS
[ ] ; Interstate Council on Hydrometeorology of the Countries of the Commonwealth of Independent States ;
ICID
[ ] ; International Commission on Irrigation and Drainage ;
ICITA
[ ] ; International Cooperative Investigations of the Tropical Atlantic (IOC) ; 熱帯大西洋共同調査
ICJ
[ ] ; International Court of Justice ; 国際司法裁判所
ICL
[アルファベット] ; Inter‐Union Commission on thc Lithosphere (ICSU, ; 国際リソスフェア委員会
ICLARM
[ ] ; International Center for Living Aquatic Resources Management (Philippines) ; 国際水産生物資源管理センター
ICLEI
[ ] ; International Council for Local Environmental Initiatives ; 国際環境自治体協議会
ICM
[ ] ; Task Force on integrated Coastal Management (GESAMP) ;
ICMAM
[ ] ; Integrated Coastal and Marine Area Management ;
ICMYL
[ ] ; Instirute for Marine Sciences & Limnology (Mexico) ;
ICN
[ ] ; International Communications Network ;
ICNAF
[ ] ; International Commission for the North West Atlantic Fisheries ; 北西大西洋国際漁業委員会
ICNT
[アルファベット] ; Informal Composite Negotiating Text (UNCLOS) ; 非公式統合交渉草案
ICOD
[ ] ; International Centre for Ocean Devlopment (IOC/FAO) ; 国際海洋開発センター
ICoD
[ ] ; Euro-Mediterranean Centre on Insular Coastal Dynamics ;
ICOLD
[ ] ; International Commission on Large Dams ;
ICOMIA
[ ] ; International Council of Marine Industry Associations (UK) ;
ICOR
[ ] ; Intergovernmental Conference on Oceanic Research ; 海洋調査に関する政府間会議
ICP
[ ] ; Inter Cache Protocol ;
ICPAM
[ ] ; International Centre for Pure and Applied Mathematics ;
ICPIC
[ ] ; International Cleaner Production Infomation Clearing House (UNEP) ;
ICPL
[ ] ; International Centre on Protected Landscapes ;
ICPO
[ ] ; International CLIVAR Project Office ; 国際CLIVERプロジェクト事務局
ICRAF
[ ] ; International Centre for Research in Agroforestry ; 林業研究国際センター
ICRI
[ ] ; International Coral Reef Initiative (USA) ;
ICRISAT
[ ] ; International Crops Research Institute for the Semi-Arid Tropics ; 亜乾燥熱帯のための国際作物研究所
ICRP
[ ] ; International Commission on Radiological Protection ; 国際放射線防護委員会
ICRSDT
[ ] ; International Committee on Remote Sensing and Data Transmission ;
ICS
[ ] ; International Centre for Science and High Technology ;
ICS
[アルファベット] ; International Chamber of Shipping ; 国際海運会議所
ICSAR
[ ] ; Interagency Committee on Search and Rescue ;
ICSEAF
[ ] ; International Commission for thc Southeast Atlantic Fisheries ; 南東大西洋国際漁業委員会
ICSED
[ ] ; Inter-American Centre for Sustainable Ecosystem Development ;
ICSEM (ICSEMS)
[ ] ; International Commission for the Scientific Exploration of the Mediterranean Sea ; 地中海学術調査国際委員会
ICSEP
[ ] ; International Center for the Solution of Environmental Problems ;
ICSI
[ ] ; International Commission on Snow and Ice (IAHS) ; 国際氷雪委員会
ICSL
[ ] ; International Convention on Safety of Life at Sea ; 国際海上人命安全条約
ICSPRO
[イクスプロ] ; Inter-secretarial Committee on Scientific Programmes Relating to Oceanography (UN,FAO,Unesco,WMO,IMO) ; 海洋関連科学計画事務局間委員会
ICSTI
[ ] ; International Council for Scientific and Technical Information ;
ICSU
[いクシュー] ; International Council of Scientific Unions ; 国際学術連合会議
ICTP
[ ] ; International Centre for Theretical Physics (IAEA-UNESCO ; also known as:Trieste Centre) ;
ICU
[ ] ; Information and Coordination Unit (IOC) ;
ICV
[アルファベット] ; International Climate Variability ; 数十年に亘る気候変動
ICWE
[ ] ; International Conference on Water and the Environment:Development Issues for the 21st Century ; also known as:Dublin Conference on Water and the Environment (Dublin,1992) ;
ICWG
[アルファベット] ; International Coordination Working Group ; 国際調整作業グループ
ICZM
[ ] ; Integrated Coastal Zone Management ;
IDA
[アルファベット] ; International Development Association ; 国際開発協会(通称 ; 第二世界銀行)
IDB
[アルファベット] ; Inter-American Development Bank ; 米州開発銀行
IDC
[アルファベット] ; Interactive Display Console ; 対話式表示制御卓
IDCA
[アルファベット] ; International Development Cooperation Agency ; 米国国際開発局