The Institution of Environmental Sciences (IES) is a charitable organization that plays a significant role in promoting and raising public awareness about environmental science. Established in 1971, the IES supports professional scientists and academics in this vital field. As a respected authority, the institution is consulted by the government and other stakeholders on environmental issues.

The IES also has strong connections with higher education institutions, championing environmental science and sustainable development in universities and colleges globally. Membership with the IES provides individuals with a clear career pathway, from student to Chartered status, attracting professionals with extensive experience in interdisciplinary fields. With an international reach, the IES has members spanning across countries such as Australia, Canada, Kenya, Portugal, Switzerland, the United States, and more.

The institution aims to promote the role of environmental sciences in education, inter-professional practice, high professional standards, and dissemination of information for the benefit of members and society