One of the best parts of the environment beat is getting out in the field. Now you can bring "the field" (whether it's your town or the whole world) to your audience through interactive maps. In many cases, you can create great interactive and even collaborative online maps with basic technical skills, using free or cheap tools.
Other or All
Anything that doesn't fit well into the Topics on the Beat category system
Here are the finalists for the year 2007 in SEJ's Annual Awards for Reporting on the Environment. This year a new category for Books is included.
A Rack Full of Magazines on Environmental Subjects -- both print and online