The Stockholm Environment Institute (SEI) is a non-profit research organization based in Sweden. Established in 1989, it focuses on sustainable development and environmental issues. SEI conducts interdisciplinary research to inform policy decisions and promote solutions for global challenges such as climate change, water management, and biodiversity loss. SEI collaborates with various stakeholders, including governments, businesses, and civil society, to enhance understanding of environmental impacts and promote sustainable practices. The institute operates several centers worldwide, contributing to international efforts in addressing pressing environmental concerns and fostering a more sustainable future.