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

Listen to the latest episode of the Sustainable Matters Podcast

ISEP CEO and host Sarah Mukherjee MBE meets double Paralympic bronze medalist Alexandra Rickham, and discusses her idyllic Jamaican childhood, the accident that led to a career in sailing, her sustainability efforts as World Sailing's Director of Sustainability and the unique challenges faced by disabled people when networking.

Listen now

Register now for ISEP Connect 2025

ISEP Connect 25: Empowering Changemakers Globally is the online conference that empowers sustainability and environmental professionals' to become agents of change.  Attendees will have the opportunity to participate in interactive workshops, learn through expert webinars, and network with each other and speakers through our engaging digital platform. The event takes from Tuesday 9 - Wednesday 10 December 2025.  Free for all members. Not a member? Join today!

Register now!

State of the Sustainability Profession Report

The 11th edition of the State of the Profession Report aims to provide insights on the role and impact that sustainability professionals are making within their organisations. The findings in this report are spread across five interconnected sections: roles and remits, structures and governance, investment and impact, the future landscape, and the path ahead.

Read the report now

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

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

Join today

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

Sustainability skills map

Transform the way you work with ISEP corporate programmes

Corporate partnerships

Extend your expertise and develop your workforce with ISEP training

Upcoming Courses

Social Impact Assessment in Environmental Impact Assessment in the UK

The guide offers practical tools and guidance to helping practitioners, developers, regulators, and communities to identify social impacts early and mitigate risks. It also introduces deliberative approaches, enabling more meaningful participation and building trust between stakeholders.

This is a milestone for the profession: guidance that will help ensure future projects are not only environmentally responsible but also socially just and will leave a positive legacy for people, places, and nature.

Find out more and download the guide

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.

Global Networks

Spotlighted event

ISEP Connect 25: Empowering Changemakers Globally

Tuesday 9 & Wednesday 10 December 2025

We are pleased to launch our award-winning annual conference, ISEP Connect 2025, bringing together thought leaders, experts, and colleagues to share knowledge, inspire collaboration, and shape the future of our field.