Perhaps you should try some spelling variations:
"routledge studies in environmental pollution." » "routledge studies in environmental protection.", "routledge studies in environmental conditions.", "routledge studies in environmental regulation."
"Routledge studies in environmental politics." » "Routledge studies in environmental policy.", "Routledge studies in environmental conditions.", "Routledge studies in environmental costs."
"routledge studies in environmental policies." » "routledge studies in environmental policy.", "routledge studies in environmental protection."

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((((("Routledge studies in environmental politics.") OR ("Routledge studies in environmental economics."))) or ("routledge studies in environmental pollution."))) or ("routledge studies in environmental policies."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("Routledge studies in environmental politics.") OR ("Routledge studies in environmental economics."))) OR ("routledge studies in environmental pollution."))) OR ("routledge studies in environmental policies.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"Routledge studies in environmental politics.\") OR (\"Routledge studies in environmental economics.\"))) or (\"routledge studies in environmental pollution.\"))) or (\"routledge studies in environmental policies.\"))".
• Removing quotes may allow a broader search: (((((( Routledge studies in environmental politics. ) OR ( Routledge studies in environmental economics. ))) or ( routledge studies in environmental pollution. ))) or ( routledge studies in environmental policies. )).
• Adding a wildcard symbol may retrieve word variants: (((((("Routledge studies in environmental politics.") OR ("Routledge studies in environmental economics."))) or ("routledge studies in environmental pollution."))) or ("routledge studies in environmental policies."))*.