Fellowship is appropriate for esteemed individuals in the fields of environmental science and sustainability held in high regard by their peers. Fellowship is the highest level of professional recognition offered by the IES and is awarded in recognition of a candidate’s exceptional academic and professional standing.

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Full membership is a professional designation for those working in the field of environmental science, which confers that you have reached a certain standard within your career. This grade is for individuals who have achieved the professional experience comparable with chartered status in other professions.

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For individuals who hold a relevant degree or equivalent qualifying experience. You might be someone who has finished university and is starting out in the environmental sciences sector or someone later in their career but whose job is only partially environmental science-based.

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Affiliate membership is for individuals with an interest in environmental issues but who don't work in the field. You might be someone who wants to support the voice of environmental science or a student undertaking a non-accredited environmental degree. Members of the public are encouraged to join, signalling their belief in the application of science and professionalism as a way of tackling environmental challenges.

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Students who are enrolled on the Institution of Environmental Science’s accredited undergraduate or postgraduate programmes may apply for the special grade of Student Member of the Institution.

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