I. Click here for an alphabetically sorted "comprehensive" listing of periodicals.
"Comprehensive" is an overstatement; no single listing of environmental periodicals seems to be available (at least, I haven't found it, and I've been looking). However, an additional large number of periodicals can be found here:
ℹ> Environmental periodicals (Wikipedia)
II. A few select "general interest" environmental periodicals
• Formerly Conservation Magazine
III. Institutional periodicals
Periodicals by topic
Periodicals sorted by topic are found throughouth ieinfo.net. At each of the links below, scan/scroll down to the yellow- background box (like this one).