Purdue University Libraries have many information resources on the environmental policies of other countries and international government organizations. Many of which can be found in the Humanities, Social Science, and Education (HSSE) Library. You may also find related works in the Library of Engineering and Science.
The Libraries online catalog is a good place to start looking for books and using Library of Congress Subject Heading (LCSH) searches is a good way to make your searches more precise.
Examples of pertinent LCSH searches you can do include:
Some example searches are linked below.
Information on Purdue Libraries Information Literacy Curriculum will help you choose high-quality and credible resources to conduct your research.