westat offers innovative professional services to help clients improve outcomes in health, education, social policy, and transportation.

since 1987, conservation international has worked to improve the lives of people everywhere by protecting oceans, forests and other living ecosystems.

a global research nonprofit working on six critical goals that the world must achieve this decade in order to secure a sustainable future: climate, energy, food, forests, water, cities & transport.

rmi transforms the global energy system to secure a clean, prosperous, zero-carbon future for all.

access 160+ million publications and connect with 25+ million researchers. join for free and gain visibility by uploading your research.

rand is a nonprofit institution that helps improve policy and decisionmaking through research and analysis. rand focuses on the issues that matter most such as health, education, national security, international affairs, the environment, and more. with a research staff consisting of some of the world's preeminent minds, rand has been expanding the boundaries of human knowledge for more than 75 years.

jstor is a digital library of academic journals, books, and primary sources.

search and explore the millions of quality, peer-reviewed journal articles published under the taylor & francis and routledge imprints.

the hastings center is a bioethics research institute and the leading ethics center committed to advancing health, science, and technology.