Focus your seach by using Library of Congress Subject Headings in addition to key words. A few examples are below.
Energy Policy United States
Environmental Economics Government Policy
Environmental Policy International Cooperation
Globalization Environmental Aspects
Any UMass student, faculty or staffperson may request material not owned by UMass from Interlibrary Loan. It's simple to set up an account on the Interlibrary Loan webpage; enter your library barcode number (it's in the lower right corner of your UCard), complete the brief form and you'll be ready to request items that are not held by the UMass Libraries.
Books are often more expansive than articles. They can provide you with an overview, background information and history of a topic.
