For your CEE 420 project, you may use government documents. Some of them are peer-reviewed, and some are not, but a great deal of research is published by the U.S. and other nations. U.S. government websites come in all flavors. Some are meant for kids, some are for everyone, and some are highly technical. Often, governmental research reports, or technical reports, include more detail than a typical journal article. Department and agency websites and report servers, such as those maintained by the U.S. Environmental Protection Agency, the National Oceanic and Atmospheric Administration (NOAA), and the Department of Energy are excellent sources of environmental information. Science.gov and Statistical Abstracts of the United States will be useful as well. Please see the list below.
For specific searching, if you are not finding what you need, or are not sure how to get ahold of the documents, please seek assistance before you spend a long time. Government info can be confusing! I can help you, and our Government Information Librarian, Louise Buckley, is available as well.
If you are looking for info on writing a report or citing sources (creating a bibliography), see the Find Articles tab!