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Membership of IETA is open to all companies, business organisations and affiliated national and regional trading associations around the world that have an interest in securing and promoting the effective operation of greenhouse gas emissions trading at national, regional and/or international level. Non-member institutions, such as non-governmental organisations, research institutes and international organisations, are entitled to participate in IETA's activities by invitation.

See what our members have to say about why they joined IETA and the value they see in our work.

To join us, simply download our Membership Application Form, fill it out and email the completed form to membership@ieta.org. Click here to see the full list of our current members.

For more information or any questions, please contact our membership department at membership@ieta.org.


Our experienced team keeps you abreast of carbon market developments, with up-to-date information as it emerges. We send key policy and market design documents, often before they are widely available. We provide insights on potential opportunities and impacts of new developments, while helping your business interpret the complexities of policy and market issues – all with an eye to what it means for business. 

We connect you with key decision-makers in governments and international organisations who shape the future of the carbon markets, including the European Commission, US state department and UN officials. Our close contact with the key institutions – at all levels and across borders - offers you direct engagement and advocacy opportunities with the players who matter most. 

Global policy officials respect IETA as a credible, constructive and informed advocate. We are frequently invited to participate in written inquiries, stakeholder meetings and legislative hearings across the globe. Leaders trust our depth of knowledge and experience across all key sectors. This multi-sectoral voice of market experience sets us apart from other groups in climate change policy. 

IETA works with highly respected academics, policy analysts and industry experts to produce white papers and reports that help inform and shape climate market policy around the world. Our influential research reaches out to all levels of the climate community and offers a solid grounding to the global effort.

Throughout the year, IETA organises an impressive range of global conferences, meetings and events. Our flagship event each year is Innovate4Climate (I4C), a global gathering of nearly 2,000 climate policy, market and finance stakeholders. Each IETA member company is granted a I4C free ticket and discounted sponsorship rates.  

Our membership spans the globe, reaching every existing carbon market, plus those under development. Through our B-PMR initiative, we support sound carbon market development in China, South Korea and other emerging markets. From I4C to our regional Carbon Forums in Asia, Africa, Latin America and North America, we offer you platforms to learn, meet new partners and showcase commercial products and strategies. IETA is a recognised observer to the UNFCCC. IETA members may apply for accreditation to various climate negotiations as part of the IETA delegation.

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