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Climate Action Network

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A global network coordinating environmental and climate organizations to promote effective government and public action on climate change.

Last updated August 22, 2026

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Overview

Climate Action Network (CAN), also known as Climate Action Network International, is a worldwide network of environmental and climate-focused nongovernmental organizations. Its members cooperate on international, regional, and national climate policy, with the shared objective of limiting human-induced climate change while supporting ecologically sustainable and socially equitable development. The network works through coordination rather than commercial production: it exchanges information, aligns advocacy strategies, supports civil-society participation in policy processes, and gives member organizations a platform for collective communication. CAN was established in 1989 by Michael Oppenheimer in West Germany, shortly before German reunification. From its origins as a coordination mechanism among environmental groups, it developed into an international network participating in the negotiations and surrounding activities of the United Nations Framework Convention on Climate Change. Its work has included bringing community and civil-society perspectives into climate diplomacy, circulating analysis of negotiation positions, and drawing public attention to governments viewed by civil-society groups as obstructing progress. A central part of CAN's public presence has been its engagement around United Nations climate conferences. During negotiations, the network publishes the ECO newsletter, a civil-society publication that reports on and comments on the talks from the perspective of environmental organizations and affected communities. It also presents the Fossil of the Day Awards, a satirical advocacy device that highlights countries or negotiating positions that participating civil-society groups regard as hindering climate action. These activities combine policy analysis, public communication, and reputational pressure. The network is organized through regional and national nodes. Regional structures include networks covering the Arab World, Eastern Africa, Eastern Europe, the Caucasus and Central Asia, Europe, Latin America, the Pacific Islands, South Asia, Southern Africa, Southeast Asia, and West and Central Africa. National or country-focused nodes and networks include organizations in Australia, Canada, China on an informal basis, France, Japan, New Zealand, South Africa, Tanzania, Uganda, and the United States. These structures allow organizations to coordinate local and regional priorities while contributing to international climate advocacy. CAN's policy orientation combines climate protection with sustainable development and equity. Its stated vision is to protect the atmosphere while supporting development that meets present needs without compromising the ability of future generations to meet theirs. Member activities therefore encompass mitigation, adaptation, renewable energy, climate finance, low-carbon development, food and agriculture, water resources, poverty reduction, community livelihoods, and capacity building. The network also links international frameworks, including the Paris Agreement and Agenda 2030, with national and local implementation. The network is not a listed company and does not operate as a conventional consumer brand. Its principal offerings are coordination, advocacy, information exchange, civil-society representation, and public-interest communications. As described in the reference material, CAN comprises more than 1,800 member organizations in over 130 countries. Its continuing relevance rests on its ability to connect diverse environmental groups and present coordinated civil-society positions in global climate-policy debates.

History

Climate Action Network emerged in 1989 as an international coordination network for environmental organizations concerned with human-induced climate change. It was founded by Michael Oppenheimer in West Germany, a period immediately preceding German reunification. The network's early purpose was to improve information exchange and coordination among organizations working on climate policy and sustainable development. Over time, CAN became closely associated with the international climate-governance process surrounding the United Nations Framework Convention on Climate Change. Rather than negotiating as a government, it participated as part of the organized civil-society community surrounding the talks. Its members used the network to compare policy assessments, coordinate advocacy, and communicate shared concerns about emissions reduction, environmental protection, climate finance, adaptation, and equity. CAN's international role developed alongside a layered regional and national structure. Formal nodes were created to coordinate organizations in particular geographic areas, including Europe, Latin America, Africa, Asia, the Pacific Islands, the Arab World, and the countries of Eastern Europe, the Caucasus, and Central Asia. National networks likewise connected organizations within individual countries. This structure enabled members to bring local and regional experience into international campaigns while adapting global climate issues to national political and social conditions. Public communication became an important part of the network's work. During climate negotiations, CAN published the ECO newsletter to present civil-society analysis of the talks and the positions being advanced by governments. The network also developed the Fossil of the Day Awards, a satirical mechanism for calling attention to governments and negotiating behavior that environmental groups considered obstructive. Both initiatives helped make complex diplomatic proceedings more accessible and gave participating organizations a shared communications channel. The network's substantive agenda has remained broader than emissions reduction alone. CAN's stated vision links atmospheric protection with sustainable and equitable development. Its members address renewable energy, low-carbon growth, adaptation to climate impacts, climate finance, forests, water, agriculture, poverty, livelihoods, and institutional capacity. The network also promotes implementation of the Paris Agreement and Agenda 2030, emphasizing the translation of international commitments into national policy and community-level action. Regional and national members apply these objectives in different contexts. The reference material describes Climate Action Network Tanzania, founded in 2011, as a national environmental nonprofit operating under the international network's umbrella. It works with civil-society organizations, government institutions, parliamentary committees, and research bodies on climate resilience, low-carbon development, renewable energy, water, agriculture, poverty reduction, and related policy questions. This example illustrates CAN's federated model: the international network provides coordination and a global platform, while nodes conduct locally relevant engagement. In the present period, CAN is described as a network of more than 1,800 organizations in over 130 countries. It remains an advocacy and coordination institution rather than a commercial enterprise. Its influence derives from the collective reach of its members, its presence around multilateral climate negotiations, and its ability to synthesize and communicate civil-society positions on climate action and sustainable development.

  • 2011

    Climate Action Network Tanzania established

    [1]

    A Tanzanian national network was established in Dar es Salaam under the umbrella of Climate Action Network International.

  • 1989

    Climate Action Network founded

    [1]

    Michael Oppenheimer founded the network in West Germany to coordinate environmental organizations working on climate change and sustainable development.

Products and positioning

A global civil-society coordination network that connects environmental organizations, develops shared climate-policy positions, and represents non-governmental perspectives in international climate governance.

  • Climate negotiation publication

    ECO newsletter

    A civil-society newsletter produced around international climate negotiations. ECO communicates environmental organizations' assessments of negotiation developments, government positions, and issues affecting communities. It functions as both an information service and an advocacy publication, helping CAN members and wider audiences interpret diplomatic proceedings from a civil-society perspective.

  • Public advocacy campaign

    Fossil of the Day Awards

    A satirical advocacy initiative associated with climate negotiations. The awards identify governments or negotiating positions that civil-society participants believe are blocking or weakening progress. By using humor and public recognition, the initiative seeks to increase visibility of negotiation disputes and create reputational pressure for stronger climate action.

  • Network coordination service

    Regional and national network nodes

    CAN's node system links member organizations at regional and national levels. Nodes coordinate information exchange, advocacy strategy, policy engagement, and local application of international climate objectives. The structure covers regions including Europe, Africa, Asia, Latin America, the Pacific Islands, the Arab World, and North America, as well as individual national networks.

Marketing campaigns

  • ECO newsletter

    Global

    CAN publishes ECO during international climate negotiations to convey civil-society analysis and the perspectives of environmental organizations and communities.

    Outcome. It provides a recurring shared communications channel for civil-society observers and advocates around the negotiations.

  • Fossil of the Day Awards

    Global

    The satirical awards call attention to countries and negotiating conduct that participating environmental groups view as obstructing climate progress.

    Outcome. The initiative raises public visibility of contentious negotiation positions and applies reputational pressure through humor and media attention.

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