The Energy and Resources Institute (TERI) is a research institute based in New Delhi that conducts research work in the fields of energy, environment and sustainable development. Established in 1974, it was formerly known as Tata Energy and Resource Institute. As the scope of its activities widened, it was renamed The Energy and Resources Institute in 2003. The scope of the organisation’s activities includes climate change, energy efficiency, renewable energy, biotechnology, and social transformation.