Selected environmental databases from the UVM Libraries web site:

From the library home page, click on the green button labeled: Research databases

From the pull-down menu labeled  "Subjects", select: Environment.

The databases marked "Best bets"  are tagged as excellent starting points for environmental research.
 

Other databases:

Environmental topics are inherently multi-disciplinary and can be found in databases that span across the disciplines;  browse subject-focused databases in a variety of disciplines. 

Select relevant subject areas to your research from the pull-down menu described above, and start with the databases tagged with the blue flag to search the literature in your defined subject areas.