NGOs COP28

Interchurch Organization for Development Cooperation (ICCO)

InterAcademy Partnership (IAP)

Intelligentsia International, Inc.

Integrated Sustainable Energy and Ecological Development Association (INSEDA)

Integrated Research and Action for Development (IRADe)

Integrated Regional Support Program (IRSP)

Insurance Europe

Insurance Bureau of Canada (IBC)

Instituto Socioambiental (ISA)

Instituto Internacional de Derecho y Medio Ambiente/International Institute for Law and the Environment (IIDMA)

Instituto LIFE

Instituto Educacional Franklin Delano Roosevelt (IEFDR)

Instituto Ethos de Empresas e Responsabilidade Social (Ethos)

Instituto Global Attitude (IGA)

Instituto de Desarrollo y Medio Ambiente (IDMA)

Instituto de Derecho y Economía Ambiental (IDEA)

Instituto Brasileño de Desarrollo y Sostenibilidad (IABS)

Instituto Argentino de Normalización y Certificación (IRAM)

Instituto Andino de Montaña (IDM)

Institutional Investors Group on Climate Change Ltd. (IIGCC)

Institution of Mechanical Engineers (IMechE)

Institution of Environmental Sciences (IES)

Institute of Environmental Science for Social Change (ESSC)

Institute of Studies on Religion (ISER)

Institute of the Americas (IOA)

Institute of Environmental Management (IEM)

Institute of Environmental Well (IBAM)

Institute of Energy Economics, Japan (IEEJ)

Institute of Electrical and Electronics Engineers (IEEE)

Institute of Development Studies (IDS)

Institute of Energy and Environment (IEMA)

Institute for Transportation and Development Policy (ITDP)

Institute for Technology and Society (ITS Rio)

International Air Transport Association (IATA)

Indigenous People of Africa Coordinating Committee

Indigenous Work Center

Indigo Development and Change

Indigenous Information Network

Indira Gandhi Institute of Development Research

Indo Global Social Service Society

Indigenous Educational Network of Turtle Island

Industrial Technology Research Institute

Indigenous Clean Energy

Indiana University

Indian Youth Climate Network

Indian Law Resource Center

Indian Council of Forestry Research and Education

India Youth For Society

India Water Foundation

Independent University Bangladesh