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Welcome to The Institute of Sustainability and Environmental Professionals (ISEP)

Formerly known as IEMA – ISEP is the global membership body that sets the standard for anyone wanting sustainable change that delivers for the environment, society, and the economy. ISEP’s purpose is to empower our members to become global changemakers, so they can transform the world today for a sustainable future.

Learn more about our evolution
ISEP Spaceports Paper Homepage (2)

WEBINAR: Environmental Assessment for UK Spaceports and Launch Operators

The UK space sector is taking off and ISEP has published the UK Spaceports and Launch Operators: Industry Good Practice Guidance for the Assessment of Environmental Effects.

Find out more
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Save the date for ISEP Connect 2026!

Wednesday 14 & Thursday 15 October Be inspired by visionary voices from the sustainability and environmental sector. Gain insights, tools and tactics from practical workshops, geared at improving your job performance. Grow your network and engage in impactful conversations that will make a difference to your career journey.

Save the date and stay tuned for further information
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State of the Sustainability Profession Survey 2026

Join thousands of your colleagues in completing the survey to ensure we capture the key trends and insights affecting sustainability and environmental professionals across roles and responsibilities, salaries and structures, investment and impacts.

COMPLETE THE SURVEY
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ISEP Jobs Board

The ISEP Jobs Board makes it easy to find the right opportunity and discover the latest environmental and sustainability vacancies from leading employers who are actively seeking talented sustainability professionals to join their teams.

Find your next career
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Listen to the latest episode of the Sustainable Matters Podcast

ISEP CEO and host Sarah Mukherjee MBE meets Ajay Tegala, conservationist, podcast and TV presenter and full-time National Trust ranger to discuss his career journey, the changes in nature and biodiversity as well as outcomes from COP30.

Sustainable Matters
2026 01 COMMS TFORM JF Issue Homepage Banner

OUT NOW: Transform Jan/Feb Issue

What will it really take to turn sustainability ambition into action in 2026? The latest issue explores how sustainability leaders are driving change in complex, high-pressure systems: from health and farming to data, policy and tourism.

Read now
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ISEP new shop is live!

Our new ISEP shop is now live! From expert best practice guides to ethically made merch, the ISEP Shop has everything you need to live your values and lead with impact.

ISEP new shop
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Connect with members near you

Our global networks run hundreds of events each year that connect members, provide knowledge and share best practice. Find an event taking place near you or join one of the many online opportunities to learn, share and meet.

Events
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Become an ISEP member - set the standard, shape the future

Join today
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Chart your progress and drive your professional development with ISEP’s Sustainability Skills Map and Membership Standards

Sustainability skills map
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Transform the way you work with ISEP corporate programmes

Corporate partnerships
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Extend your expertise and develop your workforce with ISEP training

Upcoming Courses

Already a member? Download your square badge and email signature now.

ISEP responds to consultation on revisions to the National Planning Policy Framework (NPPF)

ISEP's response highlights the importance of strong safeguards for nature, and the professional expertise needed to deliver sustainable development, with 6 key messages.

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Engage with our Global Networks

The Global Networks spearhead ISEP’s voice and member engagement worldwide, advocating for the efforts of local members.

As the representatives of ISEP, these networks organise events, workshops, and seminars that spotlight the latest trends and challenges in sustainability and the environmental sector. Moreover, the networks foster valuable connections among industry experts, including you, the ISEP member!

View our list of networks, learn about their activities and see where you can engage with members near you.

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Spotlighted event

Republic of Ireland: Navigating the EU Carbon Border Adjustment Mechanism (CBAM)

Digital event |Tuesday 14 April | 1:00 - 2:00 pm (BST)

Join ISEP Republic of Ireland for a compelling and insightful webinar on Navigating the EU Carbon Border Adjustment Mechanism (CBAM).

This session will demystify the evolving CBAM landscape and outline the critical steps organisations must take now to remain compliant and protect long-term value.

Participants will gain clear, practical guidance on the next phase of CBAM implementation, including:

  1. The wider ecosystem of carbon pricing systems
  2. Key CBAM timelines and affected sectors
  3. Emissions reporting and compliance requirements
  4. Anticipated future scope expansions

Whether you are preparing for immediate obligations or planning strategically for the future, this webinar will equip you with the knowledge and confidence to respond effectively to CBAM developments.

Latest News & Blogs

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Land Use Framework needs skills and capacity-building to implement successfully

Find out more
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ISEP calls for evidence, expertise and investment in capacity to form the foundation of National Planning Policy reforms

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Increased capacity, skills and regulation vital to success of new Environmental Outcomes Reports

Find out more