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Environmental Studies

Basic Search Strategies

Whether you're searching using OneSearch or another library database, there are strategies you can use to ensure you find the kind of information you need. When you use search engines like Google, you're able to type in whole questions or phrases. Library databases, however, require using different search strategies.

Search Terms

First, we select the main search terms that relate to our topic. The database works best with nouns. Eliminate any articles (of, to, is, the), adjectives (best, worst, good, bad), and most verbs (affect, change, alter, support).

Quotation Marks

Quotation marks are used to tell databases to search for words in a certain order. This is especially useful for specific topics that can't be boiled down to a single word.

  • "environmental studies"
  • "climate change"

This is also helpful when searching for the title of a specific source or a person's name!

  • "Silent Spring"
  • "Sand County Almanac"
  • "Aldo Leopold"

Search Strings

We then connect our search terms. This is what we'll actually type into a database search box. Search strings work best when they're limited to no more than two or three search terms—otherwise, your search will be too narrow! 

Search Strings Using AND

When you connect your search terms using AND, the database will search for books, articles, and more that contain all your search terms. Search strings using AND narrow our search and help us find sources specific to our topic.

  • "climate change" AND denial
  • "alternative energy" AND infrastructure

Advanced Search Strategies

Search Strings Using OR and Parenthesis

Search strings using OR help us expand our search and find more results. Use OR to search for related ideas and synonyms. Often, OR is used in conjunction with parenthesis. OR on its own can often bring back too many results, so the parentheses help keep the database from bringing up off-topic resources

  • ("climate change" OR "global warming") AND weather
  • (university OR college) AND sustainability AND dining

Search Strings Using NOT

You may want to exclude certain concepts from your research. This can be done using the word NOT. Search strings using NOT help us narrow our search and find results that are more relevant to our topic. 

  • "alternative energy" AND infrastructure NOT solar

Get Help

If you're struggling with your searches, please contact a librarian! We are happy to help you brainstorm search terms and format them for use in library databases.

Citation Chaining

Citation chaining (sometimes called citation mining) is a research technique that uses reference lists and citations to expand your search. Chaining is especially helpful when you're having a hard time finding enough articles on your topic. 

To get started:

  1. When you find an article that is relevant to your research, find the references list at the end of the article. These sources were gathered by the author(s) as part of their research process and often include great articles that you wouldn't find using databases alone. 
  2. Review the titles on the reference list for relevant sources. 
  3. If you find a potentially useful source, copy the title and then paste it into OneSearch (on the library's homepage) to see if we have a copy. If it doesn't come up, you can request it through Interlibrary Loan.
  4. Keep in mind sources on the reference list are older than the article you started with, so check to ensure they fit your assignment requirements.


Chaining with Google Scholar

Citation chaining using an article's reference list involves moving backwards along a path of references, but we can use Google Scholar to look forward and see who has built on someone's work since it was published. Look up a relevant article on Google Scholar, and underneath the entry in Google Scholar, you will see a link that says Cited by [#] if an article, book, or book chapter has been cited since it was published. This another great way to find additional sources on your topic!


To get started, click the Google Scholar link below, then follow these steps:

  1. Search for the title of a relevant article you've found.
  2. Click on the Cited by link, underneath the article's entry.
  3. Review the list of results.
  4. If you find an article you'd like to read but there isn't a PDF available, check for it in OneSearch (on the library's homepage) or use Interlibrary Loan.

Library Help

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