Besides selling to dozens of magazines dedicated exclusively to environmental issues, wildlife and conservation, you can increasingly market such stories to general interest, travel, science, regional, inflight, outdoor sports, and health/lifestyle magazine and online publications. Veteran magazine writer/SEJ member Wendee Nicole will teach you how to break into new markets, learn how to write killer queries and know what editors want for their magazines.
Next course: 
Begins May 24, 2014 (register by May 17; however, there may still be room after that time; please inquire.)
Cost: $200 ($207 by PayPal) includes editor Q&As from Smithsonian, National Geographic, High Country News, Sierra, Audubon, Wildlife Conservation, WildBird and more; 5 assignments with feedback from instructor; resources on writing, workshops, queries, and more; personalized interaction with a veteran magazine writer.