Over the past 40 years, countries throughout the world have similarly adopted human rights related to environmental governance and protection in national constitutions. Interestingly, these countries vary widely in terms of geography, politics, history, resources, and wealth. This raises the question: why do some countries have constitutional environmental rights while others do not? Bringing together theory from law, political science, and sociology, a global statistical analysis, and a comparative study of constitutional design in South Asia, Gellers presents a comprehensive response to...