[1] The institute has prioritised sustainable development with particular reference to the environment, policy and practice as the present area of greatest need, an initiative spearheaded by Katherine Saunt, and more recently Harry Pincus.
Now based in the Faculty of Architecture and the Built Environment[2] at the University of Westminster.
PSI's current research themes include: energy and climate change; resource use and the circular economy; mobility and transport; the role of communities and business in delivering a sustainable future; cities, innovation and sustainability transitions; public behaviours, attitudes and policy; and policy and research evaluation.
The institute's income is derived from a variety of sources, including government departments, research and higher education funding councils, the European Commission, charitable foundations and business.
Leading researchers who have worked at the institute include Mayer Hillman, Paul Ekins and Tariq Modood.