The International Institute for Environment and Development (IIED) is a policy research organization based in London, focused on sustainable development. Established in 1971, it aims to influence the way governments, businesses, and communities address environmental challenges and social issues. IIED conducts research, provides policy advice, and engages in advocacy to promote equitable and sustainable solutions. Its work often involves collaboration with local communities and organizations worldwide, addressing topics such as climate change, biodiversity, and urban development to ensure that marginalized voices are heard in decision-making processes.