A database focused on the issues relating to the environment. Its coverage extends to news, case studies, videos, and news, as well as academic journals.

The Population Institute is an international non-profit that educates policymakers and the public about population, and seeks to promote universal access to family planning information, education, and services.

The World Health Organization's primary role is to direct and coordinate international health within the United Nations’ system.

The Population Division plays an active role in the intergovernmental dialogue on population and development, producing constantly updated demographic estimates and projections for all countries.

The Centers for Disease Control and Prevention (CDC) serves as the national focus for developing and applying disease prevention and control, environmental health, and health promotion and health education activities designed to improve the health of the people of the United States.