The Environmental Law Research Institute (ELRI) is a nonprofit think tank for applied environmental research and policy analysis established under the laws of Nigeria as a company limited by guarantee.

It is an affiliate of Environment and Health in Communities of Africans (ENHICA) International Foundation Inc, an International Development Organization established in the United States since 1998. ENHICA is a non-profit Scientific Organization for research and services in the areas of Environment and Human Health issues in Communities of Africans.

ELRI came into being to give strategic direction to the creation of awareness, protection of environmental rights and to chart the course for the development and enhancement of environmental law and policy in Nigeria and beyond.